Home / 31,243.76-43,115.40-17,095.68

Finding the Fourth Proportional to 31,243.76, 43,115.40 and 17,095.68

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Solution

The fourth proportional to 31,243.76, 43,115.40 and 17,095.68 is: 23,591.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,243.76 : 43,115.40 = 17,095.68 : x
  2. Step 2: Convert to fraction form
    31,243.76/43,115.40 = 17,095.68/x
  3. Step 3: Cross multiply
    31,243.76x = 43,115.40 × 17,095.68
  4. Step 4: Simplify right side
    31,243.76x = 737,087,081.47
  5. Step 5: Solve for x
    x = 737,087,081.47/31,243.76
  6. Step 6: Final answer
    x = 23,591.50

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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.