Home / 38,012.84-52,457.46-21,245.84

Finding the Fourth Proportional to 38,012.84, 52,457.46 and 21,245.84

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Solution

The fourth proportional to 38,012.84, 52,457.46 and 21,245.84 is: 29,319.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,012.84 : 52,457.46 = 21,245.84 : x
  2. Step 2: Convert to fraction form
    38,012.84/52,457.46 = 21,245.84/x
  3. Step 3: Cross multiply
    38,012.84x = 52,457.46 × 21,245.84
  4. Step 4: Simplify right side
    38,012.84x = 1,114,502,801.97
  5. Step 5: Solve for x
    x = 1,114,502,801.97/38,012.84
  6. Step 6: Final answer
    x = 29,319.11

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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.