Home / 66,277.53-99,401.37-18,891.66

Finding the Fourth Proportional to 66,277.53, 99,401.37 and 18,891.66

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Solution

The fourth proportional to 66,277.53, 99,401.37 and 18,891.66 is: 28,333.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,277.53 : 99,401.37 = 18,891.66 : x
  2. Step 2: Convert to fraction form
    66,277.53/99,401.37 = 18,891.66/x
  3. Step 3: Cross multiply
    66,277.53x = 99,401.37 × 18,891.66
  4. Step 4: Simplify right side
    66,277.53x = 1,877,856,885.57
  5. Step 5: Solve for x
    x = 1,877,856,885.57/66,277.53
  6. Step 6: Final answer
    x = 28,333.24

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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.