Home / 48,969.09-67,591.35-28,837.65

Finding the Fourth Proportional to 48,969.09, 67,591.35 and 28,837.65

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Solution

The fourth proportional to 48,969.09, 67,591.35 and 28,837.65 is: 39,804.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,969.09 : 67,591.35 = 28,837.65 : x
  2. Step 2: Convert to fraction form
    48,969.09/67,591.35 = 28,837.65/x
  3. Step 3: Cross multiply
    48,969.09x = 67,591.35 × 28,837.65
  4. Step 4: Simplify right side
    48,969.09x = 1,949,175,662.00
  5. Step 5: Solve for x
    x = 1,949,175,662.00/48,969.09
  6. Step 6: Final answer
    x = 39,804.20

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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.