Home / 31,711.30-43,762.12-17,370.92

Finding the Fourth Proportional to 31,711.30, 43,762.12 and 17,370.92

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Solution

The fourth proportional to 31,711.30, 43,762.12 and 17,370.92 is: 23,972.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,711.30 : 43,762.12 = 17,370.92 : x
  2. Step 2: Convert to fraction form
    31,711.30/43,762.12 = 17,370.92/x
  3. Step 3: Cross multiply
    31,711.30x = 43,762.12 × 17,370.92
  4. Step 4: Simplify right side
    31,711.30x = 760,188,285.55
  5. Step 5: Solve for x
    x = 760,188,285.55/31,711.30
  6. Step 6: Final answer
    x = 23,972.16

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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.