Home / 31,146.62-42,982.38-17,000.30

Finding the Fourth Proportional to 31,146.62, 42,982.38 and 17,000.30

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Solution

The fourth proportional to 31,146.62, 42,982.38 and 17,000.30 is: 23,460.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,146.62 : 42,982.38 = 17,000.30 : x
  2. Step 2: Convert to fraction form
    31,146.62/42,982.38 = 17,000.30/x
  3. Step 3: Cross multiply
    31,146.62x = 42,982.38 × 17,000.30
  4. Step 4: Simplify right side
    31,146.62x = 730,713,354.71
  5. Step 5: Solve for x
    x = 730,713,354.71/31,146.62
  6. Step 6: Final answer
    x = 23,460.44

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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.