Home / 22,531.20-33,742.32-21,940.71

Finding the Fourth Proportional to 22,531.20, 33,742.32 and 21,940.71

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Solution

The fourth proportional to 22,531.20, 33,742.32 and 21,940.71 is: 32,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,531.20 : 33,742.32 = 21,940.71 : x
  2. Step 2: Convert to fraction form
    22,531.20/33,742.32 = 21,940.71/x
  3. Step 3: Cross multiply
    22,531.20x = 33,742.32 × 21,940.71
  4. Step 4: Simplify right side
    22,531.20x = 740,330,457.85
  5. Step 5: Solve for x
    x = 740,330,457.85/22,531.20
  6. Step 6: Final answer
    x = 32,858.01

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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.