Home / 52,761.50-72,810.21-28,887.66

Finding the Fourth Proportional to 52,761.50, 72,810.21 and 28,887.66

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Solution

The fourth proportional to 52,761.50, 72,810.21 and 28,887.66 is: 39,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,761.50 : 72,810.21 = 28,887.66 : x
  2. Step 2: Convert to fraction form
    52,761.50/72,810.21 = 28,887.66/x
  3. Step 3: Cross multiply
    52,761.50x = 72,810.21 × 28,887.66
  4. Step 4: Simplify right side
    52,761.50x = 2,103,316,591.01
  5. Step 5: Solve for x
    x = 2,103,316,591.01/52,761.50
  6. Step 6: Final answer
    x = 39,864.61

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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.