Home / 66,165.16-99,261.44-21,794.64

Finding the Fourth Proportional to 66,165.16, 99,261.44 and 21,794.64

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Solution

The fourth proportional to 66,165.16, 99,261.44 and 21,794.64 is: 32,696.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,165.16 : 99,261.44 = 21,794.64 : x
  2. Step 2: Convert to fraction form
    66,165.16/99,261.44 = 21,794.64/x
  3. Step 3: Cross multiply
    66,165.16x = 99,261.44 × 21,794.64
  4. Step 4: Simplify right side
    66,165.16x = 2,163,367,350.68
  5. Step 5: Solve for x
    x = 2,163,367,350.68/66,165.16
  6. Step 6: Final answer
    x = 32,696.47

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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.