Home / 40,400.26-60,610-20,360.50

Finding the Fourth Proportional to 40,400.26, 60,610 and 20,360.50

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Solution

The fourth proportional to 40,400.26, 60,610 and 20,360.50 is: 30,545.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,400.26 : 60,610 = 20,360.50 : x
  2. Step 2: Convert to fraction form
    40,400.26/60,610 = 20,360.50/x
  3. Step 3: Cross multiply
    40,400.26x = 60,610 × 20,360.50
  4. Step 4: Simplify right side
    40,400.26x = 1,234,049,905
  5. Step 5: Solve for x
    x = 1,234,049,905/40,400.26
  6. Step 6: Final answer
    x = 30,545.59

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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.