Home / 79,924.20-119,892.24-20,760.18

Finding the Fourth Proportional to 79,924.20, 119,892.24 and 20,760.18

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Solution

The fourth proportional to 79,924.20, 119,892.24 and 20,760.18 is: 31,141.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,924.20 : 119,892.24 = 20,760.18 : x
  2. Step 2: Convert to fraction form
    79,924.20/119,892.24 = 20,760.18/x
  3. Step 3: Cross multiply
    79,924.20x = 119,892.24 × 20,760.18
  4. Step 4: Simplify right side
    79,924.20x = 2,488,984,483.00
  5. Step 5: Solve for x
    x = 2,488,984,483.00/79,924.20
  6. Step 6: Final answer
    x = 31,141.81

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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.