Home / 31,534.62-43,519.78-17,387.46

Finding the Fourth Proportional to 31,534.62, 43,519.78 and 17,387.46

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Solution

The fourth proportional to 31,534.62, 43,519.78 and 17,387.46 is: 23,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,534.62 : 43,519.78 = 17,387.46 : x
  2. Step 2: Convert to fraction form
    31,534.62/43,519.78 = 17,387.46/x
  3. Step 3: Cross multiply
    31,534.62x = 43,519.78 × 17,387.46
  4. Step 4: Simplify right side
    31,534.62x = 756,698,433.96
  5. Step 5: Solve for x
    x = 756,698,433.96/31,534.62
  6. Step 6: Final answer
    x = 23,995.80

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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.