Home / 33,233.78-45,851.10-21,303.68

Finding the Fourth Proportional to 33,233.78, 45,851.10 and 21,303.68

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Solution

The fourth proportional to 33,233.78, 45,851.10 and 21,303.68 is: 29,391.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,233.78 : 45,851.10 = 21,303.68 : x
  2. Step 2: Convert to fraction form
    33,233.78/45,851.10 = 21,303.68/x
  3. Step 3: Cross multiply
    33,233.78x = 45,851.10 × 21,303.68
  4. Step 4: Simplify right side
    33,233.78x = 976,797,162.05
  5. Step 5: Solve for x
    x = 976,797,162.05/33,233.78
  6. Step 6: Final answer
    x = 29,391.70

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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.