Home / 35,681.92-49,239.60-19,767.04

Finding the Fourth Proportional to 35,681.92, 49,239.60 and 19,767.04

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Solution

The fourth proportional to 35,681.92, 49,239.60 and 19,767.04 is: 27,277.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,681.92 : 49,239.60 = 19,767.04 : x
  2. Step 2: Convert to fraction form
    35,681.92/49,239.60 = 19,767.04/x
  3. Step 3: Cross multiply
    35,681.92x = 49,239.60 × 19,767.04
  4. Step 4: Simplify right side
    35,681.92x = 973,321,142.78
  5. Step 5: Solve for x
    x = 973,321,142.78/35,681.92
  6. Step 6: Final answer
    x = 27,277.71

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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.