Home / 47,813.28-65,981.16-27,667.37

Finding the Fourth Proportional to 47,813.28, 65,981.16 and 27,667.37

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Solution

The fourth proportional to 47,813.28, 65,981.16 and 27,667.37 is: 38,180.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,813.28 : 65,981.16 = 27,667.37 : x
  2. Step 2: Convert to fraction form
    47,813.28/65,981.16 = 27,667.37/x
  3. Step 3: Cross multiply
    47,813.28x = 65,981.16 × 27,667.37
  4. Step 4: Simplify right side
    47,813.28x = 1,825,524,836.84
  5. Step 5: Solve for x
    x = 1,825,524,836.84/47,813.28
  6. Step 6: Final answer
    x = 38,180.29

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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.