Home / 51,206.78-76,692.17-49,433.72

Finding the Fourth Proportional to 51,206.78, 76,692.17 and 49,433.72

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Solution

The fourth proportional to 51,206.78, 76,692.17 and 49,433.72 is: 74,036.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,206.78 : 76,692.17 = 49,433.72 : x
  2. Step 2: Convert to fraction form
    51,206.78/76,692.17 = 49,433.72/x
  3. Step 3: Cross multiply
    51,206.78x = 76,692.17 × 49,433.72
  4. Step 4: Simplify right side
    51,206.78x = 3,791,178,935.73
  5. Step 5: Solve for x
    x = 3,791,178,935.73/51,206.78
  6. Step 6: Final answer
    x = 74,036.66

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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.