Home / 51,604.28-77,403.14-18,319.96

Finding the Fourth Proportional to 51,604.28, 77,403.14 and 18,319.96

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Solution

The fourth proportional to 51,604.28, 77,403.14 and 18,319.96 is: 27,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,604.28 : 77,403.14 = 18,319.96 : x
  2. Step 2: Convert to fraction form
    51,604.28/77,403.14 = 18,319.96/x
  3. Step 3: Cross multiply
    51,604.28x = 77,403.14 × 18,319.96
  4. Step 4: Simplify right side
    51,604.28x = 1,418,022,428.67
  5. Step 5: Solve for x
    x = 1,418,022,428.67/51,604.28
  6. Step 6: Final answer
    x = 27,478.78

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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.