Home / 51,850.10-77,757.85-20,251.96

Finding the Fourth Proportional to 51,850.10, 77,757.85 and 20,251.96

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Solution

The fourth proportional to 51,850.10, 77,757.85 and 20,251.96 is: 30,371.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,850.10 : 77,757.85 = 20,251.96 : x
  2. Step 2: Convert to fraction form
    51,850.10/77,757.85 = 20,251.96/x
  3. Step 3: Cross multiply
    51,850.10x = 77,757.85 × 20,251.96
  4. Step 4: Simplify right side
    51,850.10x = 1,574,748,905.81
  5. Step 5: Solve for x
    x = 1,574,748,905.81/51,850.10
  6. Step 6: Final answer
    x = 30,371.19

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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.