Home / 52,502.08-78,747.26-18,760.86

Finding the Fourth Proportional to 52,502.08, 78,747.26 and 18,760.86

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Solution

The fourth proportional to 52,502.08, 78,747.26 and 18,760.86 is: 28,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,502.08 : 78,747.26 = 18,760.86 : x
  2. Step 2: Convert to fraction form
    52,502.08/78,747.26 = 18,760.86/x
  3. Step 3: Cross multiply
    52,502.08x = 78,747.26 × 18,760.86
  4. Step 4: Simplify right side
    52,502.08x = 1,477,366,320.24
  5. Step 5: Solve for x
    x = 1,477,366,320.24/52,502.08
  6. Step 6: Final answer
    x = 28,139.20

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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.