Home / 54,129.57-74,700.15-30,260.22

Finding the Fourth Proportional to 54,129.57, 74,700.15 and 30,260.22

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Solution

The fourth proportional to 54,129.57, 74,700.15 and 30,260.22 is: 41,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,129.57 : 74,700.15 = 30,260.22 : x
  2. Step 2: Convert to fraction form
    54,129.57/74,700.15 = 30,260.22/x
  3. Step 3: Cross multiply
    54,129.57x = 74,700.15 × 30,260.22
  4. Step 4: Simplify right side
    54,129.57x = 2,260,442,973.03
  5. Step 5: Solve for x
    x = 2,260,442,973.03/54,129.57
  6. Step 6: Final answer
    x = 41,759.85

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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.