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Finding the Fourth Proportional to 47,581.96, 65,660.52 and 26,359.96

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Solution

The fourth proportional to 47,581.96, 65,660.52 and 26,359.96 is: 36,375.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,581.96 : 65,660.52 = 26,359.96 : x
  2. Step 2: Convert to fraction form
    47,581.96/65,660.52 = 26,359.96/x
  3. Step 3: Cross multiply
    47,581.96x = 65,660.52 × 26,359.96
  4. Step 4: Simplify right side
    47,581.96x = 1,730,808,680.78
  5. Step 5: Solve for x
    x = 1,730,808,680.78/47,581.96
  6. Step 6: Final answer
    x = 36,375.31

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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.