Home / 66,521.66-99,799.05-19,773.26

Finding the Fourth Proportional to 66,521.66, 99,799.05 and 19,773.26

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Solution

The fourth proportional to 66,521.66, 99,799.05 and 19,773.26 is: 29,664.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,521.66 : 99,799.05 = 19,773.26 : x
  2. Step 2: Convert to fraction form
    66,521.66/99,799.05 = 19,773.26/x
  3. Step 3: Cross multiply
    66,521.66x = 99,799.05 × 19,773.26
  4. Step 4: Simplify right side
    66,521.66x = 1,973,352,563.40
  5. Step 5: Solve for x
    x = 1,973,352,563.40/66,521.66
  6. Step 6: Final answer
    x = 29,664.81

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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.