Home / 84,272.16-126,408.22-21,942.66

Finding the Fourth Proportional to 84,272.16, 126,408.22 and 21,942.66

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Solution

The fourth proportional to 84,272.16, 126,408.22 and 21,942.66 is: 32,913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,272.16 : 126,408.22 = 21,942.66 : x
  2. Step 2: Convert to fraction form
    84,272.16/126,408.22 = 21,942.66/x
  3. Step 3: Cross multiply
    84,272.16x = 126,408.22 × 21,942.66
  4. Step 4: Simplify right side
    84,272.16x = 2,773,732,592.67
  5. Step 5: Solve for x
    x = 2,773,732,592.67/84,272.16
  6. Step 6: Final answer
    x = 32,913.98

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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.