Home / 38,118.86-52,597.23-21,348.62

Finding the Fourth Proportional to 38,118.86, 52,597.23 and 21,348.62

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Solution

The fourth proportional to 38,118.86, 52,597.23 and 21,348.62 is: 29,457.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,118.86 : 52,597.23 = 21,348.62 : x
  2. Step 2: Convert to fraction form
    38,118.86/52,597.23 = 21,348.62/x
  3. Step 3: Cross multiply
    38,118.86x = 52,597.23 × 21,348.62
  4. Step 4: Simplify right side
    38,118.86x = 1,122,878,276.32
  5. Step 5: Solve for x
    x = 1,122,878,276.32/38,118.86
  6. Step 6: Final answer
    x = 29,457.29

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Double scale
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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.