Home / 51,959.30-77,947.16-16,890.75

Finding the Fourth Proportional to 51,959.30, 77,947.16 and 16,890.75

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Solution

The fourth proportional to 51,959.30, 77,947.16 and 16,890.75 is: 25,338.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,959.30 : 77,947.16 = 16,890.75 : x
  2. Step 2: Convert to fraction form
    51,959.30/77,947.16 = 16,890.75/x
  3. Step 3: Cross multiply
    51,959.30x = 77,947.16 × 16,890.75
  4. Step 4: Simplify right side
    51,959.30x = 1,316,585,908.32
  5. Step 5: Solve for x
    x = 1,316,585,908.32/51,959.30
  6. Step 6: Final answer
    x = 25,338.79

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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.