Home / 40,903.38-61,355.82-12,822.80

Finding the Fourth Proportional to 40,903.38, 61,355.82 and 12,822.80

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Solution

The fourth proportional to 40,903.38, 61,355.82 and 12,822.80 is: 19,234.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,903.38 : 61,355.82 = 12,822.80 : x
  2. Step 2: Convert to fraction form
    40,903.38/61,355.82 = 12,822.80/x
  3. Step 3: Cross multiply
    40,903.38x = 61,355.82 × 12,822.80
  4. Step 4: Simplify right side
    40,903.38x = 786,753,408.70
  5. Step 5: Solve for x
    x = 786,753,408.70/40,903.38
  6. Step 6: Final answer
    x = 19,234.44

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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.