Home / 33,043.78-45,603.17-18,899.36

Finding the Fourth Proportional to 33,043.78, 45,603.17 and 18,899.36

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Solution

The fourth proportional to 33,043.78, 45,603.17 and 18,899.36 is: 26,082.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,043.78 : 45,603.17 = 18,899.36 : x
  2. Step 2: Convert to fraction form
    33,043.78/45,603.17 = 18,899.36/x
  3. Step 3: Cross multiply
    33,043.78x = 45,603.17 × 18,899.36
  4. Step 4: Simplify right side
    33,043.78x = 861,870,646.34
  5. Step 5: Solve for x
    x = 861,870,646.34/33,043.78
  6. Step 6: Final answer
    x = 26,082.69

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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.