Home / 40,385.32-55,731.16-22,480.32

Finding the Fourth Proportional to 40,385.32, 55,731.16 and 22,480.32

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Solution

The fourth proportional to 40,385.32, 55,731.16 and 22,480.32 is: 31,022.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,385.32 : 55,731.16 = 22,480.32 : x
  2. Step 2: Convert to fraction form
    40,385.32/55,731.16 = 22,480.32/x
  3. Step 3: Cross multiply
    40,385.32x = 55,731.16 × 22,480.32
  4. Step 4: Simplify right side
    40,385.32x = 1,252,854,310.77
  5. Step 5: Solve for x
    x = 1,252,854,310.77/40,385.32
  6. Step 6: Final answer
    x = 31,022.52

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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.