Home / 48,559.20-72,795.60-28,816.80

Finding the Fourth Proportional to 48,559.20, 72,795.60 and 28,816.80

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Solution

The fourth proportional to 48,559.20, 72,795.60 and 28,816.80 is: 43,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,559.20 : 72,795.60 = 28,816.80 : x
  2. Step 2: Convert to fraction form
    48,559.20/72,795.60 = 28,816.80/x
  3. Step 3: Cross multiply
    48,559.20x = 72,795.60 × 28,816.80
  4. Step 4: Simplify right side
    48,559.20x = 2,097,736,246.08
  5. Step 5: Solve for x
    x = 2,097,736,246.08/48,559.20
  6. Step 6: Final answer
    x = 43,199.56

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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.