Home / 48,815.20-73,222.80-40,650.40

Finding the Fourth Proportional to 48,815.20, 73,222.80 and 40,650.40

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Solution

The fourth proportional to 48,815.20, 73,222.80 and 40,650.40 is: 60,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,815.20 : 73,222.80 = 40,650.40 : x
  2. Step 2: Convert to fraction form
    48,815.20/73,222.80 = 40,650.40/x
  3. Step 3: Cross multiply
    48,815.20x = 73,222.80 × 40,650.40
  4. Step 4: Simplify right side
    48,815.20x = 2,976,536,109.12
  5. Step 5: Solve for x
    x = 2,976,536,109.12/48,815.20
  6. Step 6: Final answer
    x = 60,975.60

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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.