Home / 50,646.41-69,896.95-27,990.71

Finding the Fourth Proportional to 50,646.41, 69,896.95 and 27,990.71

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Solution

The fourth proportional to 50,646.41, 69,896.95 and 27,990.71 is: 38,629.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,646.41 : 69,896.95 = 27,990.71 : x
  2. Step 2: Convert to fraction form
    50,646.41/69,896.95 = 27,990.71/x
  3. Step 3: Cross multiply
    50,646.41x = 69,896.95 × 27,990.71
  4. Step 4: Simplify right side
    50,646.41x = 1,956,464,837.87
  5. Step 5: Solve for x
    x = 1,956,464,837.87/50,646.41
  6. Step 6: Final answer
    x = 38,629.89

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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.