Home / 79,731.57-119,594.36-19,760.24

Finding the Fourth Proportional to 79,731.57, 119,594.36 and 19,760.24

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Solution

The fourth proportional to 79,731.57, 119,594.36 and 19,760.24 is: 29,639.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,731.57 : 119,594.36 = 19,760.24 : x
  2. Step 2: Convert to fraction form
    79,731.57/119,594.36 = 19,760.24/x
  3. Step 3: Cross multiply
    79,731.57x = 119,594.36 × 19,760.24
  4. Step 4: Simplify right side
    79,731.57x = 2,363,212,932.88
  5. Step 5: Solve for x
    x = 2,363,212,932.88/79,731.57
  6. Step 6: Final answer
    x = 29,639.62

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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.