Home / 51,850.85-77,758.97-20,252.72

Finding the Fourth Proportional to 51,850.85, 77,758.97 and 20,252.72

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Solution

The fourth proportional to 51,850.85, 77,758.97 and 20,252.72 is: 30,372.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,850.85 : 77,758.97 = 20,252.72 : x
  2. Step 2: Convert to fraction form
    51,850.85/77,758.97 = 20,252.72/x
  3. Step 3: Cross multiply
    51,850.85x = 77,758.97 × 20,252.72
  4. Step 4: Simplify right side
    51,850.85x = 1,574,830,308.74
  5. Step 5: Solve for x
    x = 1,574,830,308.74/51,850.85
  6. Step 6: Final answer
    x = 30,372.32

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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.