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Finding the Fourth Proportional to 58,211.59, 87,255.22 and 33,197.78

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Solution

The fourth proportional to 58,211.59, 87,255.22 and 33,197.78 is: 49,761.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,211.59 : 87,255.22 = 33,197.78 : x
  2. Step 2: Convert to fraction form
    58,211.59/87,255.22 = 33,197.78/x
  3. Step 3: Cross multiply
    58,211.59x = 87,255.22 × 33,197.78
  4. Step 4: Simplify right side
    58,211.59x = 2,896,678,995.15
  5. Step 5: Solve for x
    x = 2,896,678,995.15/58,211.59
  6. Step 6: Final answer
    x = 49,761.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.