Home / 61,855.12-85,359.96-33,560.80

Finding the Fourth Proportional to 61,855.12, 85,359.96 and 33,560.80

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Solution

The fourth proportional to 61,855.12, 85,359.96 and 33,560.80 is: 46,313.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,855.12 : 85,359.96 = 33,560.80 : x
  2. Step 2: Convert to fraction form
    61,855.12/85,359.96 = 33,560.80/x
  3. Step 3: Cross multiply
    61,855.12x = 85,359.96 × 33,560.80
  4. Step 4: Simplify right side
    61,855.12x = 2,864,748,545.57
  5. Step 5: Solve for x
    x = 2,864,748,545.57/61,855.12
  6. Step 6: Final answer
    x = 46,313.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.