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Finding the Fourth Proportional to 41,903.72, 62,876.03 and 19,719.30

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Solution

The fourth proportional to 41,903.72, 62,876.03 and 19,719.30 is: 29,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,903.72 : 62,876.03 = 19,719.30 : x
  2. Step 2: Convert to fraction form
    41,903.72/62,876.03 = 19,719.30/x
  3. Step 3: Cross multiply
    41,903.72x = 62,876.03 × 19,719.30
  4. Step 4: Simplify right side
    41,903.72x = 1,239,871,199.78
  5. Step 5: Solve for x
    x = 1,239,871,199.78/41,903.72
  6. Step 6: Final answer
    x = 29,588.57

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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.