Home / 31,147.56-42,983.46-17,000.10

Finding the Fourth Proportional to 31,147.56, 42,983.46 and 17,000.10

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Solution

The fourth proportional to 31,147.56, 42,983.46 and 17,000.10 is: 23,460.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,147.56 : 42,983.46 = 17,000.10 : x
  2. Step 2: Convert to fraction form
    31,147.56/42,983.46 = 17,000.10/x
  3. Step 3: Cross multiply
    31,147.56x = 42,983.46 × 17,000.10
  4. Step 4: Simplify right side
    31,147.56x = 730,723,118.35
  5. Step 5: Solve for x
    x = 730,723,118.35/31,147.56
  6. Step 6: Final answer
    x = 23,460.04

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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.