Home / 31,261.92-43,142.55-17,114.73

Finding the Fourth Proportional to 31,261.92, 43,142.55 and 17,114.73

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Solution

The fourth proportional to 31,261.92, 43,142.55 and 17,114.73 is: 23,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,261.92 : 43,142.55 = 17,114.73 : x
  2. Step 2: Convert to fraction form
    31,261.92/43,142.55 = 17,114.73/x
  3. Step 3: Cross multiply
    31,261.92x = 43,142.55 × 17,114.73
  4. Step 4: Simplify right side
    31,261.92x = 738,373,094.76
  5. Step 5: Solve for x
    x = 738,373,094.76/31,261.92
  6. Step 6: Final answer
    x = 23,618.93

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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.