Home / 40,639.44-56,079.80-22,731.36

Finding the Fourth Proportional to 40,639.44, 56,079.80 and 22,731.36

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Solution

The fourth proportional to 40,639.44, 56,079.80 and 22,731.36 is: 31,367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,639.44 : 56,079.80 = 22,731.36 : x
  2. Step 2: Convert to fraction form
    40,639.44/56,079.80 = 22,731.36/x
  3. Step 3: Cross multiply
    40,639.44x = 56,079.80 × 22,731.36
  4. Step 4: Simplify right side
    40,639.44x = 1,274,770,122.53
  5. Step 5: Solve for x
    x = 1,274,770,122.53/40,639.44
  6. Step 6: Final answer
    x = 31,367.81

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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.