Home / 40,702.45-60,958.90-39,581.35

Finding the Fourth Proportional to 40,702.45, 60,958.90 and 39,581.35

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Solution

The fourth proportional to 40,702.45, 60,958.90 and 39,581.35 is: 59,279.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,702.45 : 60,958.90 = 39,581.35 : x
  2. Step 2: Convert to fraction form
    40,702.45/60,958.90 = 39,581.35/x
  3. Step 3: Cross multiply
    40,702.45x = 60,958.90 × 39,581.35
  4. Step 4: Simplify right side
    40,702.45x = 2,412,835,556.52
  5. Step 5: Solve for x
    x = 2,412,835,556.52/40,702.45
  6. Step 6: Final answer
    x = 59,279.86

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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.