Home / 47,780.60-71,572.35-27,999.20

Finding the Fourth Proportional to 47,780.60, 71,572.35 and 27,999.20

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Solution

The fourth proportional to 47,780.60, 71,572.35 and 27,999.20 is: 41,941.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,780.60 : 71,572.35 = 27,999.20 : x
  2. Step 2: Convert to fraction form
    47,780.60/71,572.35 = 27,999.20/x
  3. Step 3: Cross multiply
    47,780.60x = 71,572.35 × 27,999.20
  4. Step 4: Simplify right side
    47,780.60x = 2,003,968,542.12
  5. Step 5: Solve for x
    x = 2,003,968,542.12/47,780.60
  6. Step 6: Final answer
    x = 41,941.05

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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.