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Finding the Fourth Proportional to 66,233.80, 99,324.30 and 21,848.20

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Solution

The fourth proportional to 66,233.80, 99,324.30 and 21,848.20 is: 32,763.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,233.80 : 99,324.30 = 21,848.20 : x
  2. Step 2: Convert to fraction form
    66,233.80/99,324.30 = 21,848.20/x
  3. Step 3: Cross multiply
    66,233.80x = 99,324.30 × 21,848.20
  4. Step 4: Simplify right side
    66,233.80x = 2,170,057,171.26
  5. Step 5: Solve for x
    x = 2,170,057,171.26/66,233.80
  6. Step 6: Final answer
    x = 32,763.59

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1.5x scale

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.