Home / 47,590.60-71,357.10-21,290.44

Finding the Fourth Proportional to 47,590.60, 71,357.10 and 21,290.44

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Solution

The fourth proportional to 47,590.60, 71,357.10 and 21,290.44 is: 31,922.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,590.60 : 71,357.10 = 21,290.44 : x
  2. Step 2: Convert to fraction form
    47,590.60/71,357.10 = 21,290.44/x
  3. Step 3: Cross multiply
    47,590.60x = 71,357.10 × 21,290.44
  4. Step 4: Simplify right side
    47,590.60x = 1,519,224,056.12
  5. Step 5: Solve for x
    x = 1,519,224,056.12/47,590.60
  6. Step 6: Final answer
    x = 31,922.78

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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.