Home / 31,947.24-44,074.62-21,343.80

Finding the Fourth Proportional to 31,947.24, 44,074.62 and 21,343.80

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Solution

The fourth proportional to 31,947.24, 44,074.62 and 21,343.80 is: 29,446.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,947.24 : 44,074.62 = 21,343.80 : x
  2. Step 2: Convert to fraction form
    31,947.24/44,074.62 = 21,343.80/x
  3. Step 3: Cross multiply
    31,947.24x = 44,074.62 × 21,343.80
  4. Step 4: Simplify right side
    31,947.24x = 940,719,874.36
  5. Step 5: Solve for x
    x = 940,719,874.36/31,947.24
  6. Step 6: Final answer
    x = 29,446.05

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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.