Home / 33,082.89-45,661.59-20,347.02

Finding the Fourth Proportional to 33,082.89, 45,661.59 and 20,347.02

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Solution

The fourth proportional to 33,082.89, 45,661.59 and 20,347.02 is: 28,083.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,082.89 : 45,661.59 = 20,347.02 : x
  2. Step 2: Convert to fraction form
    33,082.89/45,661.59 = 20,347.02/x
  3. Step 3: Cross multiply
    33,082.89x = 45,661.59 × 20,347.02
  4. Step 4: Simplify right side
    33,082.89x = 929,077,284.96
  5. Step 5: Solve for x
    x = 929,077,284.96/33,082.89
  6. Step 6: Final answer
    x = 28,083.32

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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.