Home / 48,435.20-72,652.80-40,243.20

Finding the Fourth Proportional to 48,435.20, 72,652.80 and 40,243.20

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Solution

The fourth proportional to 48,435.20, 72,652.80 and 40,243.20 is: 60,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,435.20 : 72,652.80 = 40,243.20 : x
  2. Step 2: Convert to fraction form
    48,435.20/72,652.80 = 40,243.20/x
  3. Step 3: Cross multiply
    48,435.20x = 72,652.80 × 40,243.20
  4. Step 4: Simplify right side
    48,435.20x = 2,923,781,160.96
  5. Step 5: Solve for x
    x = 2,923,781,160.96/48,435.20
  6. Step 6: Final answer
    x = 60,364.80

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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.