Home / 35,747.23-49,337.09-19,836.80

Finding the Fourth Proportional to 35,747.23, 49,337.09 and 19,836.80

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Solution

The fourth proportional to 35,747.23, 49,337.09 and 19,836.80 is: 27,378.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,747.23 : 49,337.09 = 19,836.80 : x
  2. Step 2: Convert to fraction form
    35,747.23/49,337.09 = 19,836.80/x
  3. Step 3: Cross multiply
    35,747.23x = 49,337.09 × 19,836.80
  4. Step 4: Simplify right side
    35,747.23x = 978,689,986.91
  5. Step 5: Solve for x
    x = 978,689,986.91/35,747.23
  6. Step 6: Final answer
    x = 27,378.07

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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.