Home / 51,384.49-77,067.63-13,947.48

Finding the Fourth Proportional to 51,384.49, 77,067.63 and 13,947.48

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Solution

The fourth proportional to 51,384.49, 77,067.63 and 13,947.48 is: 20,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,384.49 : 77,067.63 = 13,947.48 : x
  2. Step 2: Convert to fraction form
    51,384.49/77,067.63 = 13,947.48/x
  3. Step 3: Cross multiply
    51,384.49x = 77,067.63 × 13,947.48
  4. Step 4: Simplify right side
    51,384.49x = 1,074,899,228.07
  5. Step 5: Solve for x
    x = 1,074,899,228.07/51,384.49
  6. Step 6: Final answer
    x = 20,918.75

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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.