Home / 31,422.80-43,363.62-17,276.55

Finding the Fourth Proportional to 31,422.80, 43,363.62 and 17,276.55

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Solution

The fourth proportional to 31,422.80, 43,363.62 and 17,276.55 is: 23,841.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,422.80 : 43,363.62 = 17,276.55 : x
  2. Step 2: Convert to fraction form
    31,422.80/43,363.62 = 17,276.55/x
  3. Step 3: Cross multiply
    31,422.80x = 43,363.62 × 17,276.55
  4. Step 4: Simplify right side
    31,422.80x = 749,173,749.11
  5. Step 5: Solve for x
    x = 749,173,749.11/31,422.80
  6. Step 6: Final answer
    x = 23,841.73

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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.