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Finding the Fourth Proportional to 79,658.48, 119,507.20 and 24,254.48

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Solution

The fourth proportional to 79,658.48, 119,507.20 and 24,254.48 is: 36,387.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,658.48 : 119,507.20 = 24,254.48 : x
  2. Step 2: Convert to fraction form
    79,658.48/119,507.20 = 24,254.48/x
  3. Step 3: Cross multiply
    79,658.48x = 119,507.20 × 24,254.48
  4. Step 4: Simplify right side
    79,658.48x = 2,898,584,992.26
  5. Step 5: Solve for x
    x = 2,898,584,992.26/79,658.48
  6. Step 6: Final answer
    x = 36,387.65

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1.5x scale

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.