Home / 40,759.61-61,137.28-11,177.49

Finding the Fourth Proportional to 40,759.61, 61,137.28 and 11,177.49

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Solution

The fourth proportional to 40,759.61, 61,137.28 and 11,177.49 is: 16,765.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,759.61 : 61,137.28 = 11,177.49 : x
  2. Step 2: Convert to fraction form
    40,759.61/61,137.28 = 11,177.49/x
  3. Step 3: Cross multiply
    40,759.61x = 61,137.28 × 11,177.49
  4. Step 4: Simplify right side
    40,759.61x = 683,361,579.06
  5. Step 5: Solve for x
    x = 683,361,579.06/40,759.61
  6. Step 6: Final answer
    x = 16,765.66

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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.