Home / 48,067.86-72,044.67-19,981.92

Finding the Fourth Proportional to 48,067.86, 72,044.67 and 19,981.92

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Solution

The fourth proportional to 48,067.86, 72,044.67 and 19,981.92 is: 29,949.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,067.86 : 72,044.67 = 19,981.92 : x
  2. Step 2: Convert to fraction form
    48,067.86/72,044.67 = 19,981.92/x
  3. Step 3: Cross multiply
    48,067.86x = 72,044.67 × 19,981.92
  4. Step 4: Simplify right side
    48,067.86x = 1,439,590,832.37
  5. Step 5: Solve for x
    x = 1,439,590,832.37/48,067.86
  6. Step 6: Final answer
    x = 29,949.14

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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.