Home / 51,306.19-76,959.28-13,863.39

Finding the Fourth Proportional to 51,306.19, 76,959.28 and 13,863.39

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Solution

The fourth proportional to 51,306.19, 76,959.28 and 13,863.39 is: 20,795.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,306.19 : 76,959.28 = 13,863.39 : x
  2. Step 2: Convert to fraction form
    51,306.19/76,959.28 = 13,863.39/x
  3. Step 3: Cross multiply
    51,306.19x = 76,959.28 × 13,863.39
  4. Step 4: Simplify right side
    51,306.19x = 1,066,916,241.49
  5. Step 5: Solve for x
    x = 1,066,916,241.49/51,306.19
  6. Step 6: Final answer
    x = 20,795.08

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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.