Home / 48,721.64-67,247.01-28,579.37

Finding the Fourth Proportional to 48,721.64, 67,247.01 and 28,579.37

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Solution

The fourth proportional to 48,721.64, 67,247.01 and 28,579.37 is: 39,446.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,721.64 : 67,247.01 = 28,579.37 : x
  2. Step 2: Convert to fraction form
    48,721.64/67,247.01 = 28,579.37/x
  3. Step 3: Cross multiply
    48,721.64x = 67,247.01 × 28,579.37
  4. Step 4: Simplify right side
    48,721.64x = 1,921,876,843.95
  5. Step 5: Solve for x
    x = 1,921,876,843.95/48,721.64
  6. Step 6: Final answer
    x = 39,446.07

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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.