Home / 48,629.80-72,944.70-28,898.20

Finding the Fourth Proportional to 48,629.80, 72,944.70 and 28,898.20

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Solution

The fourth proportional to 48,629.80, 72,944.70 and 28,898.20 is: 43,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,629.80 : 72,944.70 = 28,898.20 : x
  2. Step 2: Convert to fraction form
    48,629.80/72,944.70 = 28,898.20/x
  3. Step 3: Cross multiply
    48,629.80x = 72,944.70 × 28,898.20
  4. Step 4: Simplify right side
    48,629.80x = 2,107,970,529.54
  5. Step 5: Solve for x
    x = 2,107,970,529.54/48,629.80
  6. Step 6: Final answer
    x = 43,347.30

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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.