Home / 45,360.97-68,033.78-13,763.41

Finding the Fourth Proportional to 45,360.97, 68,033.78 and 13,763.41

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Solution

The fourth proportional to 45,360.97, 68,033.78 and 13,763.41 is: 20,642.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,360.97 : 68,033.78 = 13,763.41 : x
  2. Step 2: Convert to fraction form
    45,360.97/68,033.78 = 13,763.41/x
  3. Step 3: Cross multiply
    45,360.97x = 68,033.78 × 13,763.41
  4. Step 4: Simplify right side
    45,360.97x = 936,376,807.99
  5. Step 5: Solve for x
    x = 936,376,807.99/45,360.97
  6. Step 6: Final answer
    x = 20,642.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.