Home / 54,376.38-75,033.54-31,404.78

Finding the Fourth Proportional to 54,376.38, 75,033.54 and 31,404.78

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Solution

The fourth proportional to 54,376.38, 75,033.54 and 31,404.78 is: 43,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,376.38 : 75,033.54 = 31,404.78 : x
  2. Step 2: Convert to fraction form
    54,376.38/75,033.54 = 31,404.78/x
  3. Step 3: Cross multiply
    54,376.38x = 75,033.54 × 31,404.78
  4. Step 4: Simplify right side
    54,376.38x = 2,356,411,816.32
  5. Step 5: Solve for x
    x = 2,356,411,816.32/54,376.38
  6. Step 6: Final answer
    x = 43,335.21

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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.