Home / 47,814.40-65,979.26-27,667.27

Finding the Fourth Proportional to 47,814.40, 65,979.26 and 27,667.27

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Solution

The fourth proportional to 47,814.40, 65,979.26 and 27,667.27 is: 38,178.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,814.40 : 65,979.26 = 27,667.27 : x
  2. Step 2: Convert to fraction form
    47,814.40/65,979.26 = 27,667.27/x
  3. Step 3: Cross multiply
    47,814.40x = 65,979.26 × 27,667.27
  4. Step 4: Simplify right side
    47,814.40x = 1,825,465,862.48
  5. Step 5: Solve for x
    x = 1,825,465,862.48/47,814.40
  6. Step 6: Final answer
    x = 38,178.16

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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.