Home / 31,539.26-43,522.20-18,101.06

Finding the Fourth Proportional to 31,539.26, 43,522.20 and 18,101.06

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Solution

The fourth proportional to 31,539.26, 43,522.20 and 18,101.06 is: 24,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,539.26 : 43,522.20 = 18,101.06 : x
  2. Step 2: Convert to fraction form
    31,539.26/43,522.20 = 18,101.06/x
  3. Step 3: Cross multiply
    31,539.26x = 43,522.20 × 18,101.06
  4. Step 4: Simplify right side
    31,539.26x = 787,797,908.28
  5. Step 5: Solve for x
    x = 787,797,908.28/31,539.26
  6. Step 6: Final answer
    x = 24,978.32

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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.