Home / 31,474.02-43,432.85-18,035.92

Finding the Fourth Proportional to 31,474.02, 43,432.85 and 18,035.92

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Solution

The fourth proportional to 31,474.02, 43,432.85 and 18,035.92 is: 24,888.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,474.02 : 43,432.85 = 18,035.92 : x
  2. Step 2: Convert to fraction form
    31,474.02/43,432.85 = 18,035.92/x
  3. Step 3: Cross multiply
    31,474.02x = 43,432.85 × 18,035.92
  4. Step 4: Simplify right side
    31,474.02x = 783,351,407.97
  5. Step 5: Solve for x
    x = 783,351,407.97/31,474.02
  6. Step 6: Final answer
    x = 24,888.83

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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.