Home / 51,614.09-77,428.82-18,331.36

Finding the Fourth Proportional to 51,614.09, 77,428.82 and 18,331.36

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Solution

The fourth proportional to 51,614.09, 77,428.82 and 18,331.36 is: 27,499.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,614.09 : 77,428.82 = 18,331.36 : x
  2. Step 2: Convert to fraction form
    51,614.09/77,428.82 = 18,331.36/x
  3. Step 3: Cross multiply
    51,614.09x = 77,428.82 × 18,331.36
  4. Step 4: Simplify right side
    51,614.09x = 1,419,375,232.48
  5. Step 5: Solve for x
    x = 1,419,375,232.48/51,614.09
  6. Step 6: Final answer
    x = 27,499.77

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1.5x scale

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.