Home / 31,073.80-42,882.90-17,644.60

Finding the Fourth Proportional to 31,073.80, 42,882.90 and 17,644.60

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Solution

The fourth proportional to 31,073.80, 42,882.90 and 17,644.60 is: 24,350.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,073.80 : 42,882.90 = 17,644.60 : x
  2. Step 2: Convert to fraction form
    31,073.80/42,882.90 = 17,644.60/x
  3. Step 3: Cross multiply
    31,073.80x = 42,882.90 × 17,644.60
  4. Step 4: Simplify right side
    31,073.80x = 756,651,617.34
  5. Step 5: Solve for x
    x = 756,651,617.34/31,073.80
  6. Step 6: Final answer
    x = 24,350.15

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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.