Home / 31,288.15-43,177.71-17,140.96

Finding the Fourth Proportional to 31,288.15, 43,177.71 and 17,140.96

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Solution

The fourth proportional to 31,288.15, 43,177.71 and 17,140.96 is: 23,654.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,288.15 : 43,177.71 = 17,140.96 : x
  2. Step 2: Convert to fraction form
    31,288.15/43,177.71 = 17,140.96/x
  3. Step 3: Cross multiply
    31,288.15x = 43,177.71 × 17,140.96
  4. Step 4: Simplify right side
    31,288.15x = 740,107,400.00
  5. Step 5: Solve for x
    x = 740,107,400.00/31,288.15
  6. Step 6: Final answer
    x = 23,654.56

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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.