Home / 47,951.10-71,865.90-18,329.40

Finding the Fourth Proportional to 47,951.10, 71,865.90 and 18,329.40

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Solution

The fourth proportional to 47,951.10, 71,865.90 and 18,329.40 is: 27,470.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,951.10 : 71,865.90 = 18,329.40 : x
  2. Step 2: Convert to fraction form
    47,951.10/71,865.90 = 18,329.40/x
  3. Step 3: Cross multiply
    47,951.10x = 71,865.90 × 18,329.40
  4. Step 4: Simplify right side
    47,951.10x = 1,317,258,827.46
  5. Step 5: Solve for x
    x = 1,317,258,827.46/47,951.10
  6. Step 6: Final answer
    x = 27,470.88

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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.