Home / 31,857.92-43,961.88-17,710.40

Finding the Fourth Proportional to 31,857.92, 43,961.88 and 17,710.40

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Solution

The fourth proportional to 31,857.92, 43,961.88 and 17,710.40 is: 24,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,857.92 : 43,961.88 = 17,710.40 : x
  2. Step 2: Convert to fraction form
    31,857.92/43,961.88 = 17,710.40/x
  3. Step 3: Cross multiply
    31,857.92x = 43,961.88 × 17,710.40
  4. Step 4: Simplify right side
    31,857.92x = 778,582,479.55
  5. Step 5: Solve for x
    x = 778,582,479.55/31,857.92
  6. Step 6: Final answer
    x = 24,439.21

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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.