Home / 66,269.28-99,388.99-18,883.41

Finding the Fourth Proportional to 66,269.28, 99,388.99 and 18,883.41

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Solution

The fourth proportional to 66,269.28, 99,388.99 and 18,883.41 is: 28,320.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,269.28 : 99,388.99 = 18,883.41 : x
  2. Step 2: Convert to fraction form
    66,269.28/99,388.99 = 18,883.41/x
  3. Step 3: Cross multiply
    66,269.28x = 99,388.99 × 18,883.41
  4. Step 4: Simplify right side
    66,269.28x = 1,876,803,047.66
  5. Step 5: Solve for x
    x = 1,876,803,047.66/66,269.28
  6. Step 6: Final answer
    x = 28,320.86

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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.