Home / 33,218.07-45,815.01-21,282.52

Finding the Fourth Proportional to 33,218.07, 45,815.01 and 21,282.52

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Solution

The fourth proportional to 33,218.07, 45,815.01 and 21,282.52 is: 29,353.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,218.07 : 45,815.01 = 21,282.52 : x
  2. Step 2: Convert to fraction form
    33,218.07/45,815.01 = 21,282.52/x
  3. Step 3: Cross multiply
    33,218.07x = 45,815.01 × 21,282.52
  4. Step 4: Simplify right side
    33,218.07x = 975,058,866.63
  5. Step 5: Solve for x
    x = 975,058,866.63/33,218.07
  6. Step 6: Final answer
    x = 29,353.27

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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.