Home / 48,825.20-67,368.84-28,685.36

Finding the Fourth Proportional to 48,825.20, 67,368.84 and 28,685.36

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Solution

The fourth proportional to 48,825.20, 67,368.84 and 28,685.36 is: 39,579.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,825.20 : 67,368.84 = 28,685.36 : x
  2. Step 2: Convert to fraction form
    48,825.20/67,368.84 = 28,685.36/x
  3. Step 3: Cross multiply
    48,825.20x = 67,368.84 × 28,685.36
  4. Step 4: Simplify right side
    48,825.20x = 1,932,499,428.18
  5. Step 5: Solve for x
    x = 1,932,499,428.18/48,825.20
  6. Step 6: Final answer
    x = 39,579.96

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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.