Home / 31,811.76-43,902.54-23,839.92

Finding the Fourth Proportional to 31,811.76, 43,902.54 and 23,839.92

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Solution

The fourth proportional to 31,811.76, 43,902.54 and 23,839.92 is: 32,900.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,811.76 : 43,902.54 = 23,839.92 : x
  2. Step 2: Convert to fraction form
    31,811.76/43,902.54 = 23,839.92/x
  3. Step 3: Cross multiply
    31,811.76x = 43,902.54 × 23,839.92
  4. Step 4: Simplify right side
    31,811.76x = 1,046,633,041.40
  5. Step 5: Solve for x
    x = 1,046,633,041.40/31,811.76
  6. Step 6: Final answer
    x = 32,900.82

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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.