Home / 79,500.87-119,250.09-20,336.04

Finding the Fourth Proportional to 79,500.87, 119,250.09 and 20,336.04

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Solution

The fourth proportional to 79,500.87, 119,250.09 and 20,336.04 is: 30,503.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,500.87 : 119,250.09 = 20,336.04 : x
  2. Step 2: Convert to fraction form
    79,500.87/119,250.09 = 20,336.04/x
  3. Step 3: Cross multiply
    79,500.87x = 119,250.09 × 20,336.04
  4. Step 4: Simplify right side
    79,500.87x = 2,425,074,600.24
  5. Step 5: Solve for x
    x = 2,425,074,600.24/79,500.87
  6. Step 6: Final answer
    x = 30,503.75

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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.