Home / 79,340.92-119,011.06-20,177.44

Finding the Fourth Proportional to 79,340.92, 119,011.06 and 20,177.44

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Solution

The fourth proportional to 79,340.92, 119,011.06 and 20,177.44 is: 30,266.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,340.92 : 119,011.06 = 20,177.44 : x
  2. Step 2: Convert to fraction form
    79,340.92/119,011.06 = 20,177.44/x
  3. Step 3: Cross multiply
    79,340.92x = 119,011.06 × 20,177.44
  4. Step 4: Simplify right side
    79,340.92x = 2,401,338,522.49
  5. Step 5: Solve for x
    x = 2,401,338,522.49/79,340.92
  6. Step 6: Final answer
    x = 30,266.08

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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.