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Finding the Fourth Proportional to 54,766.72, 75,578.07 and 29,616.22

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Solution

The fourth proportional to 54,766.72, 75,578.07 and 29,616.22 is: 40,870.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,766.72 : 75,578.07 = 29,616.22 : x
  2. Step 2: Convert to fraction form
    54,766.72/75,578.07 = 29,616.22/x
  3. Step 3: Cross multiply
    54,766.72x = 75,578.07 × 29,616.22
  4. Step 4: Simplify right side
    54,766.72x = 2,238,336,370.41
  5. Step 5: Solve for x
    x = 2,238,336,370.41/54,766.72
  6. Step 6: Final answer
    x = 40,870.38

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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.