Home / 66,178.40-99,246.26-21,794.60

Finding the Fourth Proportional to 66,178.40, 99,246.26 and 21,794.60

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Solution

The fourth proportional to 66,178.40, 99,246.26 and 21,794.60 is: 32,684.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,178.40 : 99,246.26 = 21,794.60 : x
  2. Step 2: Convert to fraction form
    66,178.40/99,246.26 = 21,794.60/x
  3. Step 3: Cross multiply
    66,178.40x = 99,246.26 × 21,794.60
  4. Step 4: Simplify right side
    66,178.40x = 2,163,032,538.20
  5. Step 5: Solve for x
    x = 2,163,032,538.20/66,178.40
  6. Step 6: Final answer
    x = 32,684.87

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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.