Home / 54,707.48-75,494.18-30,839

Finding the Fourth Proportional to 54,707.48, 75,494.18 and 30,839

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Solution

The fourth proportional to 54,707.48, 75,494.18 and 30,839 is: 42,556.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,707.48 : 75,494.18 = 30,839 : x
  2. Step 2: Convert to fraction form
    54,707.48/75,494.18 = 30,839/x
  3. Step 3: Cross multiply
    54,707.48x = 75,494.18 × 30,839
  4. Step 4: Simplify right side
    54,707.48x = 2,328,165,017.02
  5. Step 5: Solve for x
    x = 2,328,165,017.02/54,707.48
  6. Step 6: Final answer
    x = 42,556.61

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1.5x scale

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.