Home / 19,331.52-29,002.12-5,480.52

Finding the Fourth Proportional to 19,331.52, 29,002.12 and 5,480.52

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Solution

The fourth proportional to 19,331.52, 29,002.12 and 5,480.52 is: 8,222.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.52 : 29,002.12 = 5,480.52 : x
  2. Step 2: Convert to fraction form
    19,331.52/29,002.12 = 5,480.52/x
  3. Step 3: Cross multiply
    19,331.52x = 29,002.12 × 5,480.52
  4. Step 4: Simplify right side
    19,331.52x = 158,946,698.70
  5. Step 5: Solve for x
    x = 158,946,698.70/19,331.52
  6. Step 6: Final answer
    x = 8,222.15

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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.