Home / 31,243.06-43,115.45-17,095.90

Finding the Fourth Proportional to 31,243.06, 43,115.45 and 17,095.90

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Solution

The fourth proportional to 31,243.06, 43,115.45 and 17,095.90 is: 23,592.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,243.06 : 43,115.45 = 17,095.90 : x
  2. Step 2: Convert to fraction form
    31,243.06/43,115.45 = 17,095.90/x
  3. Step 3: Cross multiply
    31,243.06x = 43,115.45 × 17,095.90
  4. Step 4: Simplify right side
    31,243.06x = 737,097,641.64
  5. Step 5: Solve for x
    x = 737,097,641.64/31,243.06
  6. Step 6: Final answer
    x = 23,592.36

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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.