Home / 33,139.80-45,732.90-18,032.43

Finding the Fourth Proportional to 33,139.80, 45,732.90 and 18,032.43

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Solution

The fourth proportional to 33,139.80, 45,732.90 and 18,032.43 is: 24,884.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,139.80 : 45,732.90 = 18,032.43 : x
  2. Step 2: Convert to fraction form
    33,139.80/45,732.90 = 18,032.43/x
  3. Step 3: Cross multiply
    33,139.80x = 45,732.90 × 18,032.43
  4. Step 4: Simplify right side
    33,139.80x = 824,675,317.95
  5. Step 5: Solve for x
    x = 824,675,317.95/33,139.80
  6. Step 6: Final answer
    x = 24,884.74

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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.