Home / 45,644.53-68,385-27,866.04

Finding the Fourth Proportional to 45,644.53, 68,385 and 27,866.04

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Solution

The fourth proportional to 45,644.53, 68,385 and 27,866.04 is: 41,749.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,644.53 : 68,385 = 27,866.04 : x
  2. Step 2: Convert to fraction form
    45,644.53/68,385 = 27,866.04/x
  3. Step 3: Cross multiply
    45,644.53x = 68,385 × 27,866.04
  4. Step 4: Simplify right side
    45,644.53x = 1,905,619,145.40
  5. Step 5: Solve for x
    x = 1,905,619,145.40/45,644.53
  6. Step 6: Final answer
    x = 41,749.12

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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.