Home / 51,887.10-71,591.19-29,221.50

Finding the Fourth Proportional to 51,887.10, 71,591.19 and 29,221.50

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Solution

The fourth proportional to 51,887.10, 71,591.19 and 29,221.50 is: 40,318.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,887.10 : 71,591.19 = 29,221.50 : x
  2. Step 2: Convert to fraction form
    51,887.10/71,591.19 = 29,221.50/x
  3. Step 3: Cross multiply
    51,887.10x = 71,591.19 × 29,221.50
  4. Step 4: Simplify right side
    51,887.10x = 2,092,001,958.59
  5. Step 5: Solve for x
    x = 2,092,001,958.59/51,887.10
  6. Step 6: Final answer
    x = 40,318.34

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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.