Home / 66,167.16-99,264.42-21,796.62

Finding the Fourth Proportional to 66,167.16, 99,264.42 and 21,796.62

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Solution

The fourth proportional to 66,167.16, 99,264.42 and 21,796.62 is: 32,699.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,167.16 : 99,264.42 = 21,796.62 : x
  2. Step 2: Convert to fraction form
    66,167.16/99,264.42 = 21,796.62/x
  3. Step 3: Cross multiply
    66,167.16x = 99,264.42 × 21,796.62
  4. Step 4: Simplify right side
    66,167.16x = 2,163,628,842.26
  5. Step 5: Solve for x
    x = 2,163,628,842.26/66,167.16
  6. Step 6: Final answer
    x = 32,699.44

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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.