Home / 31,620.06-43,635.71-17,472.91

Finding the Fourth Proportional to 31,620.06, 43,635.71 and 17,472.91

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Solution

The fourth proportional to 31,620.06, 43,635.71 and 17,472.91 is: 24,112.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,620.06 : 43,635.71 = 17,472.91 : x
  2. Step 2: Convert to fraction form
    31,620.06/43,635.71 = 17,472.91/x
  3. Step 3: Cross multiply
    31,620.06x = 43,635.71 × 17,472.91
  4. Step 4: Simplify right side
    31,620.06x = 762,442,678.07
  5. Step 5: Solve for x
    x = 762,442,678.07/31,620.06
  6. Step 6: Final answer
    x = 24,112.62

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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.