Home / 48,382.32-72,578.07-18,802.44

Finding the Fourth Proportional to 48,382.32, 72,578.07 and 18,802.44

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Solution

The fourth proportional to 48,382.32, 72,578.07 and 18,802.44 is: 28,205.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,382.32 : 72,578.07 = 18,802.44 : x
  2. Step 2: Convert to fraction form
    48,382.32/72,578.07 = 18,802.44/x
  3. Step 3: Cross multiply
    48,382.32x = 72,578.07 × 18,802.44
  4. Step 4: Simplify right side
    48,382.32x = 1,364,644,806.49
  5. Step 5: Solve for x
    x = 1,364,644,806.49/48,382.32
  6. Step 6: Final answer
    x = 28,205.44

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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.