Home / 31,902.60-44,041.14-19,972.56

Finding the Fourth Proportional to 31,902.60, 44,041.14 and 19,972.56

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Solution

The fourth proportional to 31,902.60, 44,041.14 and 19,972.56 is: 27,571.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,902.60 : 44,041.14 = 19,972.56 : x
  2. Step 2: Convert to fraction form
    31,902.60/44,041.14 = 19,972.56/x
  3. Step 3: Cross multiply
    31,902.60x = 44,041.14 × 19,972.56
  4. Step 4: Simplify right side
    31,902.60x = 879,614,311.12
  5. Step 5: Solve for x
    x = 879,614,311.12/31,902.60
  6. Step 6: Final answer
    x = 27,571.87

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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.