Home / 80,431.58-120,648.29-24,272.17

Finding the Fourth Proportional to 80,431.58, 120,648.29 and 24,272.17

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Solution

The fourth proportional to 80,431.58, 120,648.29 and 24,272.17 is: 36,408.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,431.58 : 120,648.29 = 24,272.17 : x
  2. Step 2: Convert to fraction form
    80,431.58/120,648.29 = 24,272.17/x
  3. Step 3: Cross multiply
    80,431.58x = 120,648.29 × 24,272.17
  4. Step 4: Simplify right side
    80,431.58x = 2,928,395,080.49
  5. Step 5: Solve for x
    x = 2,928,395,080.49/80,431.58
  6. Step 6: Final answer
    x = 36,408.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.