Home / 55,664.78-76,817.85-30,514.46

Finding the Fourth Proportional to 55,664.78, 76,817.85 and 30,514.46

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Solution

The fourth proportional to 55,664.78, 76,817.85 and 30,514.46 is: 42,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,664.78 : 76,817.85 = 30,514.46 : x
  2. Step 2: Convert to fraction form
    55,664.78/76,817.85 = 30,514.46/x
  3. Step 3: Cross multiply
    55,664.78x = 76,817.85 × 30,514.46
  4. Step 4: Simplify right side
    55,664.78x = 2,344,055,211.11
  5. Step 5: Solve for x
    x = 2,344,055,211.11/55,664.78
  6. Step 6: Final answer
    x = 42,110.20

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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.