Home / 48,477.38-72,641.55-28,716.62

Finding the Fourth Proportional to 48,477.38, 72,641.55 and 28,716.62

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Solution

The fourth proportional to 48,477.38, 72,641.55 and 28,716.62 is: 43,030.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,477.38 : 72,641.55 = 28,716.62 : x
  2. Step 2: Convert to fraction form
    48,477.38/72,641.55 = 28,716.62/x
  3. Step 3: Cross multiply
    48,477.38x = 72,641.55 × 28,716.62
  4. Step 4: Simplify right side
    48,477.38x = 2,086,019,787.56
  5. Step 5: Solve for x
    x = 2,086,019,787.56/48,477.38
  6. Step 6: Final answer
    x = 43,030.79

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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.