Home / 31,490.12-43,458.33-17,342.96

Finding the Fourth Proportional to 31,490.12, 43,458.33 and 17,342.96

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Solution

The fourth proportional to 31,490.12, 43,458.33 and 17,342.96 is: 23,934.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,490.12 : 43,458.33 = 17,342.96 : x
  2. Step 2: Convert to fraction form
    31,490.12/43,458.33 = 17,342.96/x
  3. Step 3: Cross multiply
    31,490.12x = 43,458.33 × 17,342.96
  4. Step 4: Simplify right side
    31,490.12x = 753,695,861.57
  5. Step 5: Solve for x
    x = 753,695,861.57/31,490.12
  6. Step 6: Final answer
    x = 23,934.36

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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.