Home / 34,321.60-47,369.28-20,177.92

Finding the Fourth Proportional to 34,321.60, 47,369.28 and 20,177.92

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Solution

The fourth proportional to 34,321.60, 47,369.28 and 20,177.92 is: 27,848.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,321.60 : 47,369.28 = 20,177.92 : x
  2. Step 2: Convert to fraction form
    34,321.60/47,369.28 = 20,177.92/x
  3. Step 3: Cross multiply
    34,321.60x = 47,369.28 × 20,177.92
  4. Step 4: Simplify right side
    34,321.60x = 955,813,542.30
  5. Step 5: Solve for x
    x = 955,813,542.30/34,321.60
  6. Step 6: Final answer
    x = 27,848.75

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1.5x scale

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.