Home / 31,480.32-43,442.80-17,333.20

Finding the Fourth Proportional to 31,480.32, 43,442.80 and 17,333.20

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Solution

The fourth proportional to 31,480.32, 43,442.80 and 17,333.20 is: 23,919.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,480.32 : 43,442.80 = 17,333.20 : x
  2. Step 2: Convert to fraction form
    31,480.32/43,442.80 = 17,333.20/x
  3. Step 3: Cross multiply
    31,480.32x = 43,442.80 × 17,333.20
  4. Step 4: Simplify right side
    31,480.32x = 753,002,740.96
  5. Step 5: Solve for x
    x = 753,002,740.96/31,480.32
  6. Step 6: Final answer
    x = 23,919.79

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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.