Home / 47,590.70-65,657.78-28,471.02

Finding the Fourth Proportional to 47,590.70, 65,657.78 and 28,471.02

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Solution

The fourth proportional to 47,590.70, 65,657.78 and 28,471.02 is: 39,279.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,590.70 : 65,657.78 = 28,471.02 : x
  2. Step 2: Convert to fraction form
    47,590.70/65,657.78 = 28,471.02/x
  3. Step 3: Cross multiply
    47,590.70x = 65,657.78 × 28,471.02
  4. Step 4: Simplify right side
    47,590.70x = 1,869,344,010.52
  5. Step 5: Solve for x
    x = 1,869,344,010.52/47,590.70
  6. Step 6: Final answer
    x = 39,279.61

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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.