Home / 33,173.90-45,789.40-21,851.66

Finding the Fourth Proportional to 33,173.90, 45,789.40 and 21,851.66

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Solution

The fourth proportional to 33,173.90, 45,789.40 and 21,851.66 is: 30,161.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,173.90 : 45,789.40 = 21,851.66 : x
  2. Step 2: Convert to fraction form
    33,173.90/45,789.40 = 21,851.66/x
  3. Step 3: Cross multiply
    33,173.90x = 45,789.40 × 21,851.66
  4. Step 4: Simplify right side
    33,173.90x = 1,000,574,400.40
  5. Step 5: Solve for x
    x = 1,000,574,400.40/33,173.90
  6. Step 6: Final answer
    x = 30,161.49

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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.