Home / 31,248.20-43,121.94-17,100.76

Finding the Fourth Proportional to 31,248.20, 43,121.94 and 17,100.76

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Solution

The fourth proportional to 31,248.20, 43,121.94 and 17,100.76 is: 23,598.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,248.20 : 43,121.94 = 17,100.76 : x
  2. Step 2: Convert to fraction form
    31,248.20/43,121.94 = 17,100.76/x
  3. Step 3: Cross multiply
    31,248.20x = 43,121.94 × 17,100.76
  4. Step 4: Simplify right side
    31,248.20x = 737,417,946.67
  5. Step 5: Solve for x
    x = 737,417,946.67/31,248.20
  6. Step 6: Final answer
    x = 23,598.73

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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.