Home / 47,814.23-65,979.56-27,672.36

Finding the Fourth Proportional to 47,814.23, 65,979.56 and 27,672.36

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Solution

The fourth proportional to 47,814.23, 65,979.56 and 27,672.36 is: 38,185.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,814.23 : 65,979.56 = 27,672.36 : x
  2. Step 2: Convert to fraction form
    47,814.23/65,979.56 = 27,672.36/x
  3. Step 3: Cross multiply
    47,814.23x = 65,979.56 × 27,672.36
  4. Step 4: Simplify right side
    47,814.23x = 1,825,810,136.96
  5. Step 5: Solve for x
    x = 1,825,810,136.96/47,814.23
  6. Step 6: Final answer
    x = 38,185.50

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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.