Home / 40,729.53-56,208.03-22,820.43

Finding the Fourth Proportional to 40,729.53, 56,208.03 and 22,820.43

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Solution

The fourth proportional to 40,729.53, 56,208.03 and 22,820.43 is: 31,492.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,729.53 : 56,208.03 = 22,820.43 : x
  2. Step 2: Convert to fraction form
    40,729.53/56,208.03 = 22,820.43/x
  3. Step 3: Cross multiply
    40,729.53x = 56,208.03 × 22,820.43
  4. Step 4: Simplify right side
    40,729.53x = 1,282,691,414.05
  5. Step 5: Solve for x
    x = 1,282,691,414.05/40,729.53
  6. Step 6: Final answer
    x = 31,492.91

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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.