Home / 30,064.16-45,046.76-10,331.92

Finding the Fourth Proportional to 30,064.16, 45,046.76 and 10,331.92

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Solution

The fourth proportional to 30,064.16, 45,046.76 and 10,331.92 is: 15,480.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,064.16 : 45,046.76 = 10,331.92 : x
  2. Step 2: Convert to fraction form
    30,064.16/45,046.76 = 10,331.92/x
  3. Step 3: Cross multiply
    30,064.16x = 45,046.76 × 10,331.92
  4. Step 4: Simplify right side
    30,064.16x = 465,419,520.58
  5. Step 5: Solve for x
    x = 465,419,520.58/30,064.16
  6. Step 6: Final answer
    x = 15,480.88

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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.