Home / 54,117.40-74,681.43-29,918.26

Finding the Fourth Proportional to 54,117.40, 74,681.43 and 29,918.26

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Solution

The fourth proportional to 54,117.40, 74,681.43 and 29,918.26 is: 41,286.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,117.40 : 74,681.43 = 29,918.26 : x
  2. Step 2: Convert to fraction form
    54,117.40/74,681.43 = 29,918.26/x
  3. Step 3: Cross multiply
    54,117.40x = 74,681.43 × 29,918.26
  4. Step 4: Simplify right side
    54,117.40x = 2,234,338,439.91
  5. Step 5: Solve for x
    x = 2,234,338,439.91/54,117.40
  6. Step 6: Final answer
    x = 41,286.88

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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.