Home / 33,218.08-45,815-21,282.52

Finding the Fourth Proportional to 33,218.08, 45,815 and 21,282.52

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Solution

The fourth proportional to 33,218.08, 45,815 and 21,282.52 is: 29,353.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,218.08 : 45,815 = 21,282.52 : x
  2. Step 2: Convert to fraction form
    33,218.08/45,815 = 21,282.52/x
  3. Step 3: Cross multiply
    33,218.08x = 45,815 × 21,282.52
  4. Step 4: Simplify right side
    33,218.08x = 975,058,653.80
  5. Step 5: Solve for x
    x = 975,058,653.80/33,218.08
  6. Step 6: Final answer
    x = 29,353.25

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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.