Home / 48,079.92-72,111.52-13,011.36

Finding the Fourth Proportional to 48,079.92, 72,111.52 and 13,011.36

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Solution

The fourth proportional to 48,079.92, 72,111.52 and 13,011.36 is: 19,514.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,079.92 : 72,111.52 = 13,011.36 : x
  2. Step 2: Convert to fraction form
    48,079.92/72,111.52 = 13,011.36/x
  3. Step 3: Cross multiply
    48,079.92x = 72,111.52 × 13,011.36
  4. Step 4: Simplify right side
    48,079.92x = 938,268,946.87
  5. Step 5: Solve for x
    x = 938,268,946.87/48,079.92
  6. Step 6: Final answer
    x = 19,514.78

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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.