Home / 38,411.60-57,621.24-13,781.84

Finding the Fourth Proportional to 38,411.60, 57,621.24 and 13,781.84

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Solution

The fourth proportional to 38,411.60, 57,621.24 and 13,781.84 is: 20,674.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,411.60 : 57,621.24 = 13,781.84 : x
  2. Step 2: Convert to fraction form
    38,411.60/57,621.24 = 13,781.84/x
  3. Step 3: Cross multiply
    38,411.60x = 57,621.24 × 13,781.84
  4. Step 4: Simplify right side
    38,411.60x = 794,126,710.28
  5. Step 5: Solve for x
    x = 794,126,710.28/38,411.60
  6. Step 6: Final answer
    x = 20,674.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.