Home / 51,425.72-70,974.06-28,765.97

Finding the Fourth Proportional to 51,425.72, 70,974.06 and 28,765.97

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Solution

The fourth proportional to 51,425.72, 70,974.06 and 28,765.97 is: 39,700.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,425.72 : 70,974.06 = 28,765.97 : x
  2. Step 2: Convert to fraction form
    51,425.72/70,974.06 = 28,765.97/x
  3. Step 3: Cross multiply
    51,425.72x = 70,974.06 × 28,765.97
  4. Step 4: Simplify right side
    51,425.72x = 2,041,637,325.87
  5. Step 5: Solve for x
    x = 2,041,637,325.87/51,425.72
  6. Step 6: Final answer
    x = 39,700.71

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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.