Home / 48,917.20-73,266.45-42,356.20

Finding the Fourth Proportional to 48,917.20, 73,266.45 and 42,356.20

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Solution

The fourth proportional to 48,917.20, 73,266.45 and 42,356.20 is: 63,439.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,917.20 : 73,266.45 = 42,356.20 : x
  2. Step 2: Convert to fraction form
    48,917.20/73,266.45 = 42,356.20/x
  3. Step 3: Cross multiply
    48,917.20x = 73,266.45 × 42,356.20
  4. Step 4: Simplify right side
    48,917.20x = 3,103,288,409.49
  5. Step 5: Solve for x
    x = 3,103,288,409.49/48,917.20
  6. Step 6: Final answer
    x = 63,439.62

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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.