Home / 49,018.64-67,660.21-28,882.03

Finding the Fourth Proportional to 49,018.64, 67,660.21 and 28,882.03

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Solution

The fourth proportional to 49,018.64, 67,660.21 and 28,882.03 is: 39,865.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,018.64 : 67,660.21 = 28,882.03 : x
  2. Step 2: Convert to fraction form
    49,018.64/67,660.21 = 28,882.03/x
  3. Step 3: Cross multiply
    49,018.64x = 67,660.21 × 28,882.03
  4. Step 4: Simplify right side
    49,018.64x = 1,954,164,215.03
  5. Step 5: Solve for x
    x = 1,954,164,215.03/49,018.64
  6. Step 6: Final answer
    x = 39,865.74

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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.