Home / 54,089.87-74,640.74-29,890.28

Finding the Fourth Proportional to 54,089.87, 74,640.74 and 29,890.28

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Solution

The fourth proportional to 54,089.87, 74,640.74 and 29,890.28 is: 41,246.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,089.87 : 74,640.74 = 29,890.28 : x
  2. Step 2: Convert to fraction form
    54,089.87/74,640.74 = 29,890.28/x
  3. Step 3: Cross multiply
    54,089.87x = 74,640.74 × 29,890.28
  4. Step 4: Simplify right side
    54,089.87x = 2,231,032,655.16
  5. Step 5: Solve for x
    x = 2,231,032,655.16/54,089.87
  6. Step 6: Final answer
    x = 41,246.78

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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.