Home / 33,221.53-45,834.21-21,291.44

Finding the Fourth Proportional to 33,221.53, 45,834.21 and 21,291.44

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Solution

The fourth proportional to 33,221.53, 45,834.21 and 21,291.44 is: 29,374.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,221.53 : 45,834.21 = 21,291.44 : x
  2. Step 2: Convert to fraction form
    33,221.53/45,834.21 = 21,291.44/x
  3. Step 3: Cross multiply
    33,221.53x = 45,834.21 × 21,291.44
  4. Step 4: Simplify right side
    33,221.53x = 975,876,332.16
  5. Step 5: Solve for x
    x = 975,876,332.16/33,221.53
  6. Step 6: Final answer
    x = 29,374.82

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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.