Home / 79,451.42-119,177.02-20,287.10

Finding the Fourth Proportional to 79,451.42, 119,177.02 and 20,287.10

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Solution

The fourth proportional to 79,451.42, 119,177.02 and 20,287.10 is: 30,430.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,451.42 : 119,177.02 = 20,287.10 : x
  2. Step 2: Convert to fraction form
    79,451.42/119,177.02 = 20,287.10/x
  3. Step 3: Cross multiply
    79,451.42x = 119,177.02 × 20,287.10
  4. Step 4: Simplify right side
    79,451.42x = 2,417,756,122.44
  5. Step 5: Solve for x
    x = 2,417,756,122.44/79,451.42
  6. Step 6: Final answer
    x = 30,430.62

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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.