Home / 33,328.19-45,994.02-18,220.55

Finding the Fourth Proportional to 33,328.19, 45,994.02 and 18,220.55

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Solution

The fourth proportional to 33,328.19, 45,994.02 and 18,220.55 is: 25,144.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,328.19 : 45,994.02 = 18,220.55 : x
  2. Step 2: Convert to fraction form
    33,328.19/45,994.02 = 18,220.55/x
  3. Step 3: Cross multiply
    33,328.19x = 45,994.02 × 18,220.55
  4. Step 4: Simplify right side
    33,328.19x = 838,036,404.02
  5. Step 5: Solve for x
    x = 838,036,404.02/33,328.19
  6. Step 6: Final answer
    x = 25,144.97

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Double scale
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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.