Home / 30,255.20-41,752.17-17,007.20

Finding the Fourth Proportional to 30,255.20, 41,752.17 and 17,007.20

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Solution

The fourth proportional to 30,255.20, 41,752.17 and 17,007.20 is: 23,469.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,255.20 : 41,752.17 = 17,007.20 : x
  2. Step 2: Convert to fraction form
    30,255.20/41,752.17 = 17,007.20/x
  3. Step 3: Cross multiply
    30,255.20x = 41,752.17 × 17,007.20
  4. Step 4: Simplify right side
    30,255.20x = 710,087,505.62
  5. Step 5: Solve for x
    x = 710,087,505.62/30,255.20
  6. Step 6: Final answer
    x = 23,469.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.