Home / 49,211.28-67,898.52-27,987.12

Finding the Fourth Proportional to 49,211.28, 67,898.52 and 27,987.12

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Solution

The fourth proportional to 49,211.28, 67,898.52 and 27,987.12 is: 38,614.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,211.28 : 67,898.52 = 27,987.12 : x
  2. Step 2: Convert to fraction form
    49,211.28/67,898.52 = 27,987.12/x
  3. Step 3: Cross multiply
    49,211.28x = 67,898.52 × 27,987.12
  4. Step 4: Simplify right side
    49,211.28x = 1,900,284,027.06
  5. Step 5: Solve for x
    x = 1,900,284,027.06/49,211.28
  6. Step 6: Final answer
    x = 38,614.81

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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.