Home / 54,712.48-75,502.17-30,838.69

Finding the Fourth Proportional to 54,712.48, 75,502.17 and 30,838.69

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Solution

The fourth proportional to 54,712.48, 75,502.17 and 30,838.69 is: 42,556.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,712.48 : 75,502.17 = 30,838.69 : x
  2. Step 2: Convert to fraction form
    54,712.48/75,502.17 = 30,838.69/x
  3. Step 3: Cross multiply
    54,712.48x = 75,502.17 × 30,838.69
  4. Step 4: Simplify right side
    54,712.48x = 2,328,388,014.96
  5. Step 5: Solve for x
    x = 2,328,388,014.96/54,712.48
  6. Step 6: Final answer
    x = 42,556.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.