Home / 40,822.20-61,229.70-11,237.40

Finding the Fourth Proportional to 40,822.20, 61,229.70 and 11,237.40

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Solution

The fourth proportional to 40,822.20, 61,229.70 and 11,237.40 is: 16,855.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,822.20 : 61,229.70 = 11,237.40 : x
  2. Step 2: Convert to fraction form
    40,822.20/61,229.70 = 11,237.40/x
  3. Step 3: Cross multiply
    40,822.20x = 61,229.70 × 11,237.40
  4. Step 4: Simplify right side
    40,822.20x = 688,062,630.78
  5. Step 5: Solve for x
    x = 688,062,630.78/40,822.20
  6. Step 6: Final answer
    x = 16,855.11

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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.