Home / 51,949.38-77,924.10-12,506.49

Finding the Fourth Proportional to 51,949.38, 77,924.10 and 12,506.49

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Solution

The fourth proportional to 51,949.38, 77,924.10 and 12,506.49 is: 18,759.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,949.38 : 77,924.10 = 12,506.49 : x
  2. Step 2: Convert to fraction form
    51,949.38/77,924.10 = 12,506.49/x
  3. Step 3: Cross multiply
    51,949.38x = 77,924.10 × 12,506.49
  4. Step 4: Simplify right side
    51,949.38x = 974,556,879.55
  5. Step 5: Solve for x
    x = 974,556,879.55/51,949.38
  6. Step 6: Final answer
    x = 18,759.74

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1.5x scale

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.