Home / 38,225.10-52,740.27-21,457.74

Finding the Fourth Proportional to 38,225.10, 52,740.27 and 21,457.74

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Solution

The fourth proportional to 38,225.10, 52,740.27 and 21,457.74 is: 29,605.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,225.10 : 52,740.27 = 21,457.74 : x
  2. Step 2: Convert to fraction form
    38,225.10/52,740.27 = 21,457.74/x
  3. Step 3: Cross multiply
    38,225.10x = 52,740.27 × 21,457.74
  4. Step 4: Simplify right side
    38,225.10x = 1,131,687,001.19
  5. Step 5: Solve for x
    x = 1,131,687,001.19/38,225.10
  6. Step 6: Final answer
    x = 29,605.86

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Half scale
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Double scale
Find fourth proportional to 38,226.10, 52,741.65 and 21,458.74
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.