Home / 49,205.48-67,905.06-27,987.80

Finding the Fourth Proportional to 49,205.48, 67,905.06 and 27,987.80

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Solution

The fourth proportional to 49,205.48, 67,905.06 and 27,987.80 is: 38,624.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,205.48 : 67,905.06 = 27,987.80 : x
  2. Step 2: Convert to fraction form
    49,205.48/67,905.06 = 27,987.80/x
  3. Step 3: Cross multiply
    49,205.48x = 67,905.06 × 27,987.80
  4. Step 4: Simplify right side
    49,205.48x = 1,900,513,238.27
  5. Step 5: Solve for x
    x = 1,900,513,238.27/49,205.48
  6. Step 6: Final answer
    x = 38,624.02

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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.