Home / 40,403.20-60,615.60-36,050.80

Finding the Fourth Proportional to 40,403.20, 60,615.60 and 36,050.80

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Solution

The fourth proportional to 40,403.20, 60,615.60 and 36,050.80 is: 54,085.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,403.20 : 60,615.60 = 36,050.80 : x
  2. Step 2: Convert to fraction form
    40,403.20/60,615.60 = 36,050.80/x
  3. Step 3: Cross multiply
    40,403.20x = 60,615.60 × 36,050.80
  4. Step 4: Simplify right side
    40,403.20x = 2,185,240,872.48
  5. Step 5: Solve for x
    x = 2,185,240,872.48/40,403.20
  6. Step 6: Final answer
    x = 54,085.84

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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.