Home / 45,452.39-68,178.63-21,754.37

Finding the Fourth Proportional to 45,452.39, 68,178.63 and 21,754.37

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Solution

The fourth proportional to 45,452.39, 68,178.63 and 21,754.37 is: 32,631.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,452.39 : 68,178.63 = 21,754.37 : x
  2. Step 2: Convert to fraction form
    45,452.39/68,178.63 = 21,754.37/x
  3. Step 3: Cross multiply
    45,452.39x = 68,178.63 × 21,754.37
  4. Step 4: Simplify right side
    45,452.39x = 1,483,183,143.11
  5. Step 5: Solve for x
    x = 1,483,183,143.11/45,452.39
  6. Step 6: Final answer
    x = 32,631.58

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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.