Home / 31,690.33-43,732.38-17,542.87

Finding the Fourth Proportional to 31,690.33, 43,732.38 and 17,542.87

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Solution

The fourth proportional to 31,690.33, 43,732.38 and 17,542.87 is: 24,209.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,690.33 : 43,732.38 = 17,542.87 : x
  2. Step 2: Convert to fraction form
    31,690.33/43,732.38 = 17,542.87/x
  3. Step 3: Cross multiply
    31,690.33x = 43,732.38 × 17,542.87
  4. Step 4: Simplify right side
    31,690.33x = 767,191,457.13
  5. Step 5: Solve for x
    x = 767,191,457.13/31,690.33
  6. Step 6: Final answer
    x = 24,209.01

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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.