Home / 31,342.16-43,252.18-17,194.70

Finding the Fourth Proportional to 31,342.16, 43,252.18 and 17,194.70

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Solution

The fourth proportional to 31,342.16, 43,252.18 and 17,194.70 is: 23,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,342.16 : 43,252.18 = 17,194.70 : x
  2. Step 2: Convert to fraction form
    31,342.16/43,252.18 = 17,194.70/x
  3. Step 3: Cross multiply
    31,342.16x = 43,252.18 × 17,194.70
  4. Step 4: Simplify right side
    31,342.16x = 743,708,259.45
  5. Step 5: Solve for x
    x = 743,708,259.45/31,342.16
  6. Step 6: Final answer
    x = 23,728.69

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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.