Home / 51,761.10-71,432.85-29,107.22

Finding the Fourth Proportional to 51,761.10, 71,432.85 and 29,107.22

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Solution

The fourth proportional to 51,761.10, 71,432.85 and 29,107.22 is: 40,169.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,761.10 : 71,432.85 = 29,107.22 : x
  2. Step 2: Convert to fraction form
    51,761.10/71,432.85 = 29,107.22/x
  3. Step 3: Cross multiply
    51,761.10x = 71,432.85 × 29,107.22
  4. Step 4: Simplify right side
    51,761.10x = 2,079,211,356.06
  5. Step 5: Solve for x
    x = 2,079,211,356.06/51,761.10
  6. Step 6: Final answer
    x = 40,169.39

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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.