Home / 54,630.31-75,397.08-30,761.68

Finding the Fourth Proportional to 54,630.31, 75,397.08 and 30,761.68

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Solution

The fourth proportional to 54,630.31, 75,397.08 and 30,761.68 is: 42,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,630.31 : 75,397.08 = 30,761.68 : x
  2. Step 2: Convert to fraction form
    54,630.31/75,397.08 = 30,761.68/x
  3. Step 3: Cross multiply
    54,630.31x = 75,397.08 × 30,761.68
  4. Step 4: Simplify right side
    54,630.31x = 2,319,340,847.89
  5. Step 5: Solve for x
    x = 2,319,340,847.89/54,630.31
  6. Step 6: Final answer
    x = 42,455.20

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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.