Home / 48,279.78-72,439.67-26,067.05

Finding the Fourth Proportional to 48,279.78, 72,439.67 and 26,067.05

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Solution

The fourth proportional to 48,279.78, 72,439.67 and 26,067.05 is: 39,111.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,279.78 : 72,439.67 = 26,067.05 : x
  2. Step 2: Convert to fraction form
    48,279.78/72,439.67 = 26,067.05/x
  3. Step 3: Cross multiply
    48,279.78x = 72,439.67 × 26,067.05
  4. Step 4: Simplify right side
    48,279.78x = 1,888,288,746.14
  5. Step 5: Solve for x
    x = 1,888,288,746.14/48,279.78
  6. Step 6: Final answer
    x = 39,111.38

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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.