Home / 51,505.25-77,264.00-18,218.51

Finding the Fourth Proportional to 51,505.25, 77,264.00 and 18,218.51

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Solution

The fourth proportional to 51,505.25, 77,264.00 and 18,218.51 is: 27,329.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,505.25 : 77,264.00 = 18,218.51 : x
  2. Step 2: Convert to fraction form
    51,505.25/77,264.00 = 18,218.51/x
  3. Step 3: Cross multiply
    51,505.25x = 77,264.00 × 18,218.51
  4. Step 4: Simplify right side
    51,505.25x = 1,407,634,479.23
  5. Step 5: Solve for x
    x = 1,407,634,479.23/51,505.25
  6. Step 6: Final answer
    x = 27,329.92

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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.