Home / 33,158.53-45,763.41-21,247.25

Finding the Fourth Proportional to 33,158.53, 45,763.41 and 21,247.25

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Solution

The fourth proportional to 33,158.53, 45,763.41 and 21,247.25 is: 29,324.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,158.53 : 45,763.41 = 21,247.25 : x
  2. Step 2: Convert to fraction form
    33,158.53/45,763.41 = 21,247.25/x
  3. Step 3: Cross multiply
    33,158.53x = 45,763.41 × 21,247.25
  4. Step 4: Simplify right side
    33,158.53x = 972,346,284.71
  5. Step 5: Solve for x
    x = 972,346,284.71/33,158.53
  6. Step 6: Final answer
    x = 29,324.17

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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.