Home / 31,262.76-43,141.86-17,116.20

Finding the Fourth Proportional to 31,262.76, 43,141.86 and 17,116.20

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Solution

The fourth proportional to 31,262.76, 43,141.86 and 17,116.20 is: 23,619.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,262.76 : 43,141.86 = 17,116.20 : x
  2. Step 2: Convert to fraction form
    31,262.76/43,141.86 = 17,116.20/x
  3. Step 3: Cross multiply
    31,262.76x = 43,141.86 × 17,116.20
  4. Step 4: Simplify right side
    31,262.76x = 738,424,704.13
  5. Step 5: Solve for x
    x = 738,424,704.13/31,262.76
  6. Step 6: Final answer
    x = 23,619.95

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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.