Home / 79,979.97-119,865.88-32,539.76

Finding the Fourth Proportional to 79,979.97, 119,865.88 and 32,539.76

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Solution

The fourth proportional to 79,979.97, 119,865.88 and 32,539.76 is: 48,767.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,979.97 : 119,865.88 = 32,539.76 : x
  2. Step 2: Convert to fraction form
    79,979.97/119,865.88 = 32,539.76/x
  3. Step 3: Cross multiply
    79,979.97x = 119,865.88 × 32,539.76
  4. Step 4: Simplify right side
    79,979.97x = 3,900,406,967.39
  5. Step 5: Solve for x
    x = 3,900,406,967.39/79,979.97
  6. Step 6: Final answer
    x = 48,767.30

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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.