Home / 48,769.16-73,149.59-19,186.91

Finding the Fourth Proportional to 48,769.16, 73,149.59 and 19,186.91

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Solution

The fourth proportional to 48,769.16, 73,149.59 and 19,186.91 is: 28,778.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,769.16 : 73,149.59 = 19,186.91 : x
  2. Step 2: Convert to fraction form
    48,769.16/73,149.59 = 19,186.91/x
  3. Step 3: Cross multiply
    48,769.16x = 73,149.59 × 19,186.91
  4. Step 4: Simplify right side
    48,769.16x = 1,403,514,599.87
  5. Step 5: Solve for x
    x = 1,403,514,599.87/48,769.16
  6. Step 6: Final answer
    x = 28,778.73

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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.