Home / 38,720.38-58,068.95-13,757.14

Finding the Fourth Proportional to 38,720.38, 58,068.95 and 13,757.14

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Solution

The fourth proportional to 38,720.38, 58,068.95 and 13,757.14 is: 20,631.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,720.38 : 58,068.95 = 13,757.14 : x
  2. Step 2: Convert to fraction form
    38,720.38/58,068.95 = 13,757.14/x
  3. Step 3: Cross multiply
    38,720.38x = 58,068.95 × 13,757.14
  4. Step 4: Simplify right side
    38,720.38x = 798,862,755.99
  5. Step 5: Solve for x
    x = 798,862,755.99/38,720.38
  6. Step 6: Final answer
    x = 20,631.58

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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.