Home / 40,511.33-60,679.52-39,519.89

Finding the Fourth Proportional to 40,511.33, 60,679.52 and 39,519.89

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Solution

The fourth proportional to 40,511.33, 60,679.52 and 39,519.89 is: 59,194.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,511.33 : 60,679.52 = 39,519.89 : x
  2. Step 2: Convert to fraction form
    40,511.33/60,679.52 = 39,519.89/x
  3. Step 3: Cross multiply
    40,511.33x = 60,679.52 × 39,519.89
  4. Step 4: Simplify right side
    40,511.33x = 2,398,047,758.05
  5. Step 5: Solve for x
    x = 2,398,047,758.05/40,511.33
  6. Step 6: Final answer
    x = 59,194.50

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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.