Home / 45,603.24-68,405.09-20,614.04

Finding the Fourth Proportional to 45,603.24, 68,405.09 and 20,614.04

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Solution

The fourth proportional to 45,603.24, 68,405.09 and 20,614.04 is: 30,921.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,603.24 : 68,405.09 = 20,614.04 : x
  2. Step 2: Convert to fraction form
    45,603.24/68,405.09 = 20,614.04/x
  3. Step 3: Cross multiply
    45,603.24x = 68,405.09 × 20,614.04
  4. Step 4: Simplify right side
    45,603.24x = 1,410,105,009.62
  5. Step 5: Solve for x
    x = 1,410,105,009.62/45,603.24
  6. Step 6: Final answer
    x = 30,921.16

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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.