Home / 33,328.32-45,992.28-18,221.08

Finding the Fourth Proportional to 33,328.32, 45,992.28 and 18,221.08

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Solution

The fourth proportional to 33,328.32, 45,992.28 and 18,221.08 is: 25,144.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,328.32 : 45,992.28 = 18,221.08 : x
  2. Step 2: Convert to fraction form
    33,328.32/45,992.28 = 18,221.08/x
  3. Step 3: Cross multiply
    33,328.32x = 45,992.28 × 18,221.08
  4. Step 4: Simplify right side
    33,328.32x = 838,029,013.26
  5. Step 5: Solve for x
    x = 838,029,013.26/33,328.32
  6. Step 6: Final answer
    x = 25,144.65

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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.