Home / 39,522.26-54,540.32-21,617.61

Finding the Fourth Proportional to 39,522.26, 54,540.32 and 21,617.61

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Solution

The fourth proportional to 39,522.26, 54,540.32 and 21,617.61 is: 29,832.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,522.26 : 54,540.32 = 21,617.61 : x
  2. Step 2: Convert to fraction form
    39,522.26/54,540.32 = 21,617.61/x
  3. Step 3: Cross multiply
    39,522.26x = 54,540.32 × 21,617.61
  4. Step 4: Simplify right side
    39,522.26x = 1,179,031,258.95
  5. Step 5: Solve for x
    x = 1,179,031,258.95/39,522.26
  6. Step 6: Final answer
    x = 29,832.08

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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.