Home / 79,732.06-119,595.08-19,760.70

Finding the Fourth Proportional to 79,732.06, 119,595.08 and 19,760.70

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Solution

The fourth proportional to 79,732.06, 119,595.08 and 19,760.70 is: 29,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,732.06 : 119,595.08 = 19,760.70 : x
  2. Step 2: Convert to fraction form
    79,732.06/119,595.08 = 19,760.70/x
  3. Step 3: Cross multiply
    79,732.06x = 119,595.08 × 19,760.70
  4. Step 4: Simplify right side
    79,732.06x = 2,363,282,497.36
  5. Step 5: Solve for x
    x = 2,363,282,497.36/79,732.06
  6. Step 6: Final answer
    x = 29,640.30

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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.