Home / 51,716.18-77,572.72-14,278.54

Finding the Fourth Proportional to 51,716.18, 77,572.72 and 14,278.54

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Solution

The fourth proportional to 51,716.18, 77,572.72 and 14,278.54 is: 21,417.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,716.18 : 77,572.72 = 14,278.54 : x
  2. Step 2: Convert to fraction form
    51,716.18/77,572.72 = 14,278.54/x
  3. Step 3: Cross multiply
    51,716.18x = 77,572.72 × 14,278.54
  4. Step 4: Simplify right side
    51,716.18x = 1,107,625,185.43
  5. Step 5: Solve for x
    x = 1,107,625,185.43/51,716.18
  6. Step 6: Final answer
    x = 21,417.38

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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.