Home / 40,692.24-61,047.88-12,610.82

Finding the Fourth Proportional to 40,692.24, 61,047.88 and 12,610.82

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Solution

The fourth proportional to 40,692.24, 61,047.88 and 12,610.82 is: 18,919.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,692.24 : 61,047.88 = 12,610.82 : x
  2. Step 2: Convert to fraction form
    40,692.24/61,047.88 = 12,610.82/x
  3. Step 3: Cross multiply
    40,692.24x = 61,047.88 × 12,610.82
  4. Step 4: Simplify right side
    40,692.24x = 769,863,947.15
  5. Step 5: Solve for x
    x = 769,863,947.15/40,692.24
  6. Step 6: Final answer
    x = 18,919.18

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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.