Home / 51,505.06-77,264.07-18,217.30

Finding the Fourth Proportional to 51,505.06, 77,264.07 and 18,217.30

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Solution

The fourth proportional to 51,505.06, 77,264.07 and 18,217.30 is: 27,328.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,505.06 : 77,264.07 = 18,217.30 : x
  2. Step 2: Convert to fraction form
    51,505.06/77,264.07 = 18,217.30/x
  3. Step 3: Cross multiply
    51,505.06x = 77,264.07 × 18,217.30
  4. Step 4: Simplify right side
    51,505.06x = 1,407,542,742.41
  5. Step 5: Solve for x
    x = 1,407,542,742.41/51,505.06
  6. Step 6: Final answer
    x = 27,328.24

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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.