Home / 47,759.28-71,540.47-27,977.87

Finding the Fourth Proportional to 47,759.28, 71,540.47 and 27,977.87

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Solution

The fourth proportional to 47,759.28, 71,540.47 and 27,977.87 is: 41,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,759.28 : 71,540.47 = 27,977.87 : x
  2. Step 2: Convert to fraction form
    47,759.28/71,540.47 = 27,977.87/x
  3. Step 3: Cross multiply
    47,759.28x = 71,540.47 × 27,977.87
  4. Step 4: Simplify right side
    47,759.28x = 2,001,549,969.40
  5. Step 5: Solve for x
    x = 2,001,549,969.40/47,759.28
  6. Step 6: Final answer
    x = 41,909.13

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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.