Home / 48,961.80-67,551.33-28,539.20

Finding the Fourth Proportional to 48,961.80, 67,551.33 and 28,539.20

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Solution

The fourth proportional to 48,961.80, 67,551.33 and 28,539.20 is: 39,374.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,961.80 : 67,551.33 = 28,539.20 : x
  2. Step 2: Convert to fraction form
    48,961.80/67,551.33 = 28,539.20/x
  3. Step 3: Cross multiply
    48,961.80x = 67,551.33 × 28,539.20
  4. Step 4: Simplify right side
    48,961.80x = 1,927,860,579.38
  5. Step 5: Solve for x
    x = 1,927,860,579.38/48,961.80
  6. Step 6: Final answer
    x = 39,374.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.