Home / 48,519.81-72,778.91-21,850.97

Finding the Fourth Proportional to 48,519.81, 72,778.91 and 21,850.97

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Solution

The fourth proportional to 48,519.81, 72,778.91 and 21,850.97 is: 32,776.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,519.81 : 72,778.91 = 21,850.97 : x
  2. Step 2: Convert to fraction form
    48,519.81/72,778.91 = 21,850.97/x
  3. Step 3: Cross multiply
    48,519.81x = 72,778.91 × 21,850.97
  4. Step 4: Simplify right side
    48,519.81x = 1,590,289,305.89
  5. Step 5: Solve for x
    x = 1,590,289,305.89/48,519.81
  6. Step 6: Final answer
    x = 32,776.08

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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.