Home / 47,281.20-71,027.40-39,505.20

Finding the Fourth Proportional to 47,281.20, 71,027.40 and 39,505.20

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Solution

The fourth proportional to 47,281.20, 71,027.40 and 39,505.20 is: 59,346.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,281.20 : 71,027.40 = 39,505.20 : x
  2. Step 2: Convert to fraction form
    47,281.20/71,027.40 = 39,505.20/x
  3. Step 3: Cross multiply
    47,281.20x = 71,027.40 × 39,505.20
  4. Step 4: Simplify right side
    47,281.20x = 2,805,951,642.48
  5. Step 5: Solve for x
    x = 2,805,951,642.48/47,281.20
  6. Step 6: Final answer
    x = 59,346.03

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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.