Home / 43,921.32-60,620.58-40,378.92

Finding the Fourth Proportional to 43,921.32, 60,620.58 and 40,378.92

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Solution

The fourth proportional to 43,921.32, 60,620.58 and 40,378.92 is: 55,731.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,921.32 : 60,620.58 = 40,378.92 : x
  2. Step 2: Convert to fraction form
    43,921.32/60,620.58 = 40,378.92/x
  3. Step 3: Cross multiply
    43,921.32x = 60,620.58 × 40,378.92
  4. Step 4: Simplify right side
    43,921.32x = 2,447,793,550.17
  5. Step 5: Solve for x
    x = 2,447,793,550.17/43,921.32
  6. Step 6: Final answer
    x = 55,731.33

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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.