Home / 49,209.07-67,912.28-27,987.07

Finding the Fourth Proportional to 49,209.07, 67,912.28 and 27,987.07

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Solution

The fourth proportional to 49,209.07, 67,912.28 and 27,987.07 is: 38,624.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,209.07 : 67,912.28 = 27,987.07 : x
  2. Step 2: Convert to fraction form
    49,209.07/67,912.28 = 27,987.07/x
  3. Step 3: Cross multiply
    49,209.07x = 67,912.28 × 27,987.07
  4. Step 4: Simplify right side
    49,209.07x = 1,900,665,594.28
  5. Step 5: Solve for x
    x = 1,900,665,594.28/49,209.07
  6. Step 6: Final answer
    x = 38,624.29

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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.