Home / 74,202.08-111,321.39-21,612.02

Finding the Fourth Proportional to 74,202.08, 111,321.39 and 21,612.02

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Solution

The fourth proportional to 74,202.08, 111,321.39 and 21,612.02 is: 32,423.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,202.08 : 111,321.39 = 21,612.02 : x
  2. Step 2: Convert to fraction form
    74,202.08/111,321.39 = 21,612.02/x
  3. Step 3: Cross multiply
    74,202.08x = 111,321.39 × 21,612.02
  4. Step 4: Simplify right side
    74,202.08x = 2,405,880,107.11
  5. Step 5: Solve for x
    x = 2,405,880,107.11/74,202.08
  6. Step 6: Final answer
    x = 32,423.35

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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.