Home / 31,695.74-43,740.80-17,356.18

Finding the Fourth Proportional to 31,695.74, 43,740.80 and 17,356.18

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Solution

The fourth proportional to 31,695.74, 43,740.80 and 17,356.18 is: 23,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,695.74 : 43,740.80 = 17,356.18 : x
  2. Step 2: Convert to fraction form
    31,695.74/43,740.80 = 17,356.18/x
  3. Step 3: Cross multiply
    31,695.74x = 43,740.80 × 17,356.18
  4. Step 4: Simplify right side
    31,695.74x = 759,173,198.14
  5. Step 5: Solve for x
    x = 759,173,198.14/31,695.74
  6. Step 6: Final answer
    x = 23,951.90

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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.