Home / 66,233.79-99,336.60-21,850.02

Finding the Fourth Proportional to 66,233.79, 99,336.60 and 21,850.02

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Solution

The fourth proportional to 66,233.79, 99,336.60 and 21,850.02 is: 32,770.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,233.79 : 99,336.60 = 21,850.02 : x
  2. Step 2: Convert to fraction form
    66,233.79/99,336.60 = 21,850.02/x
  3. Step 3: Cross multiply
    66,233.79x = 99,336.60 × 21,850.02
  4. Step 4: Simplify right side
    66,233.79x = 2,170,506,696.73
  5. Step 5: Solve for x
    x = 2,170,506,696.73/66,233.79
  6. Step 6: Final answer
    x = 32,770.38

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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.