Home / 51,716.43-77,573.10-14,278.79

Finding the Fourth Proportional to 51,716.43, 77,573.10 and 14,278.79

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Solution

The fourth proportional to 51,716.43, 77,573.10 and 14,278.79 is: 21,417.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,716.43 : 77,573.10 = 14,278.79 : x
  2. Step 2: Convert to fraction form
    51,716.43/77,573.10 = 14,278.79/x
  3. Step 3: Cross multiply
    51,716.43x = 77,573.10 × 14,278.79
  4. Step 4: Simplify right side
    51,716.43x = 1,107,649,933.16
  5. Step 5: Solve for x
    x = 1,107,649,933.16/51,716.43
  6. Step 6: Final answer
    x = 21,417.76

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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.