Home / 45,397.20-68,122.44-19,099.92

Finding the Fourth Proportional to 45,397.20, 68,122.44 and 19,099.92

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Solution

The fourth proportional to 45,397.20, 68,122.44 and 19,099.92 is: 28,661.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,397.20 : 68,122.44 = 19,099.92 : x
  2. Step 2: Convert to fraction form
    45,397.20/68,122.44 = 19,099.92/x
  3. Step 3: Cross multiply
    45,397.20x = 68,122.44 × 19,099.92
  4. Step 4: Simplify right side
    45,397.20x = 1,301,133,154.20
  5. Step 5: Solve for x
    x = 1,301,133,154.20/45,397.20
  6. Step 6: Final answer
    x = 28,661.09

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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.