Home / 48,980.22-67,573.28-31,979.04

Finding the Fourth Proportional to 48,980.22, 67,573.28 and 31,979.04

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Solution

The fourth proportional to 48,980.22, 67,573.28 and 31,979.04 is: 44,118.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,980.22 : 67,573.28 = 31,979.04 : x
  2. Step 2: Convert to fraction form
    48,980.22/67,573.28 = 31,979.04/x
  3. Step 3: Cross multiply
    48,980.22x = 67,573.28 × 31,979.04
  4. Step 4: Simplify right side
    48,980.22x = 2,160,928,464.16
  5. Step 5: Solve for x
    x = 2,160,928,464.16/48,980.22
  6. Step 6: Final answer
    x = 44,118.39

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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.