Home / 31,360.73-47,049.29-18,200.45

Finding the Fourth Proportional to 31,360.73, 47,049.29 and 18,200.45

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Solution

The fourth proportional to 31,360.73, 47,049.29 and 18,200.45 is: 27,305.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,360.73 : 47,049.29 = 18,200.45 : x
  2. Step 2: Convert to fraction form
    31,360.73/47,049.29 = 18,200.45/x
  3. Step 3: Cross multiply
    31,360.73x = 47,049.29 × 18,200.45
  4. Step 4: Simplify right side
    31,360.73x = 856,317,923.93
  5. Step 5: Solve for x
    x = 856,317,923.93/31,360.73
  6. Step 6: Final answer
    x = 27,305.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.