Home / 31,605.28-43,615.28-17,458.12

Finding the Fourth Proportional to 31,605.28, 43,615.28 and 17,458.12

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Solution

The fourth proportional to 31,605.28, 43,615.28 and 17,458.12 is: 24,092.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,605.28 : 43,615.28 = 17,458.12 : x
  2. Step 2: Convert to fraction form
    31,605.28/43,615.28 = 17,458.12/x
  3. Step 3: Cross multiply
    31,605.28x = 43,615.28 × 17,458.12
  4. Step 4: Simplify right side
    31,605.28x = 761,440,890.24
  5. Step 5: Solve for x
    x = 761,440,890.24/31,605.28
  6. Step 6: Final answer
    x = 24,092.21

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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.