Home / 47,952.10-71,867.40-18,330.40

Finding the Fourth Proportional to 47,952.10, 71,867.40 and 18,330.40

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Solution

The fourth proportional to 47,952.10, 71,867.40 and 18,330.40 is: 27,472.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,952.10 : 71,867.40 = 18,330.40 : x
  2. Step 2: Convert to fraction form
    47,952.10/71,867.40 = 18,330.40/x
  3. Step 3: Cross multiply
    47,952.10x = 71,867.40 × 18,330.40
  4. Step 4: Simplify right side
    47,952.10x = 1,317,358,188.96
  5. Step 5: Solve for x
    x = 1,317,358,188.96/47,952.10
  6. Step 6: Final answer
    x = 27,472.38

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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.