Home / 66,202.29-99,293.72-21,830.49

Finding the Fourth Proportional to 66,202.29, 99,293.72 and 21,830.49

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Solution

The fourth proportional to 66,202.29, 99,293.72 and 21,830.49 is: 32,742.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,202.29 : 99,293.72 = 21,830.49 : x
  2. Step 2: Convert to fraction form
    66,202.29/99,293.72 = 21,830.49/x
  3. Step 3: Cross multiply
    66,202.29x = 99,293.72 × 21,830.49
  4. Step 4: Simplify right side
    66,202.29x = 2,167,630,452.37
  5. Step 5: Solve for x
    x = 2,167,630,452.37/66,202.29
  6. Step 6: Final answer
    x = 32,742.53

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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.