Home / 48,815.20-73,222.80-43,631.20

Finding the Fourth Proportional to 48,815.20, 73,222.80 and 43,631.20

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Solution

The fourth proportional to 48,815.20, 73,222.80 and 43,631.20 is: 65,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,815.20 : 73,222.80 = 43,631.20 : x
  2. Step 2: Convert to fraction form
    48,815.20/73,222.80 = 43,631.20/x
  3. Step 3: Cross multiply
    48,815.20x = 73,222.80 × 43,631.20
  4. Step 4: Simplify right side
    48,815.20x = 3,194,798,631.36
  5. Step 5: Solve for x
    x = 3,194,798,631.36/48,815.20
  6. Step 6: Final answer
    x = 65,446.80

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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.