Home / 33,328.17-45,992.97-18,221.01

Finding the Fourth Proportional to 33,328.17, 45,992.97 and 18,221.01

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Solution

The fourth proportional to 33,328.17, 45,992.97 and 18,221.01 is: 25,145.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,328.17 : 45,992.97 = 18,221.01 : x
  2. Step 2: Convert to fraction form
    33,328.17/45,992.97 = 18,221.01/x
  3. Step 3: Cross multiply
    33,328.17x = 45,992.97 × 18,221.01
  4. Step 4: Simplify right side
    33,328.17x = 838,038,366.30
  5. Step 5: Solve for x
    x = 838,038,366.30/33,328.17
  6. Step 6: Final answer
    x = 25,145.05

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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.