Home / 31,679.28-43,715.40-17,532.12

Finding the Fourth Proportional to 31,679.28, 43,715.40 and 17,532.12

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Solution

The fourth proportional to 31,679.28, 43,715.40 and 17,532.12 is: 24,193.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,679.28 : 43,715.40 = 17,532.12 : x
  2. Step 2: Convert to fraction form
    31,679.28/43,715.40 = 17,532.12/x
  3. Step 3: Cross multiply
    31,679.28x = 43,715.40 × 17,532.12
  4. Step 4: Simplify right side
    31,679.28x = 766,423,638.65
  5. Step 5: Solve for x
    x = 766,423,638.65/31,679.28
  6. Step 6: Final answer
    x = 24,193.22

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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.