Home / 40,879.20-61,270.20-36,699.60

Finding the Fourth Proportional to 40,879.20, 61,270.20 and 36,699.60

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Solution

The fourth proportional to 40,879.20, 61,270.20 and 36,699.60 is: 55,005.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,879.20 : 61,270.20 = 36,699.60 : x
  2. Step 2: Convert to fraction form
    40,879.20/61,270.20 = 36,699.60/x
  3. Step 3: Cross multiply
    40,879.20x = 61,270.20 × 36,699.60
  4. Step 4: Simplify right side
    40,879.20x = 2,248,591,831.92
  5. Step 5: Solve for x
    x = 2,248,591,831.92/40,879.20
  6. Step 6: Final answer
    x = 55,005.77

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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.