Home / 31,049.74-42,847.40-16,902.59

Finding the Fourth Proportional to 31,049.74, 42,847.40 and 16,902.59

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Solution

The fourth proportional to 31,049.74, 42,847.40 and 16,902.59 is: 23,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,049.74 : 42,847.40 = 16,902.59 : x
  2. Step 2: Convert to fraction form
    31,049.74/42,847.40 = 16,902.59/x
  3. Step 3: Cross multiply
    31,049.74x = 42,847.40 × 16,902.59
  4. Step 4: Simplify right side
    31,049.74x = 724,232,034.77
  5. Step 5: Solve for x
    x = 724,232,034.77/31,049.74
  6. Step 6: Final answer
    x = 23,324.90

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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.