Home / 54,578.10-75,306.36-31,912.62

Finding the Fourth Proportional to 54,578.10, 75,306.36 and 31,912.62

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Solution

The fourth proportional to 54,578.10, 75,306.36 and 31,912.62 is: 44,032.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,578.10 : 75,306.36 = 31,912.62 : x
  2. Step 2: Convert to fraction form
    54,578.10/75,306.36 = 31,912.62/x
  3. Step 3: Cross multiply
    54,578.10x = 75,306.36 × 31,912.62
  4. Step 4: Simplify right side
    54,578.10x = 2,403,223,250.26
  5. Step 5: Solve for x
    x = 2,403,223,250.26/54,578.10
  6. Step 6: Final answer
    x = 44,032.74

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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.