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Finding the Fourth Proportional to 58,214.60, 87,259.72 and 33,200.78

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Solution

The fourth proportional to 58,214.60, 87,259.72 and 33,200.78 is: 49,765.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,214.60 : 87,259.72 = 33,200.78 : x
  2. Step 2: Convert to fraction form
    58,214.60/87,259.72 = 33,200.78/x
  3. Step 3: Cross multiply
    58,214.60x = 87,259.72 × 33,200.78
  4. Step 4: Simplify right side
    58,214.60x = 2,897,090,766.58
  5. Step 5: Solve for x
    x = 2,897,090,766.58/58,214.60
  6. Step 6: Final answer
    x = 49,765.71

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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.