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Finding the Fourth Proportional to 36,715.28, 50,667.08 and 19,948.28

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Solution

The fourth proportional to 36,715.28, 50,667.08 and 19,948.28 is: 27,528.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,715.28 : 50,667.08 = 19,948.28 : x
  2. Step 2: Convert to fraction form
    36,715.28/50,667.08 = 19,948.28/x
  3. Step 3: Cross multiply
    36,715.28x = 50,667.08 × 19,948.28
  4. Step 4: Simplify right side
    36,715.28x = 1,010,720,745.55
  5. Step 5: Solve for x
    x = 1,010,720,745.55/36,715.28
  6. Step 6: Final answer
    x = 27,528.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.