Home / 31,306.04-43,203.38-17,158.92

Finding the Fourth Proportional to 31,306.04, 43,203.38 and 17,158.92

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Solution

The fourth proportional to 31,306.04, 43,203.38 and 17,158.92 is: 23,679.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,306.04 : 43,203.38 = 17,158.92 : x
  2. Step 2: Convert to fraction form
    31,306.04/43,203.38 = 17,158.92/x
  3. Step 3: Cross multiply
    31,306.04x = 43,203.38 × 17,158.92
  4. Step 4: Simplify right side
    31,306.04x = 741,323,341.15
  5. Step 5: Solve for x
    x = 741,323,341.15/31,306.04
  6. Step 6: Final answer
    x = 23,679.88

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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.