Home / 33,140.10-45,739.92-18,800.22

Finding the Fourth Proportional to 33,140.10, 45,739.92 and 18,800.22

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Solution

The fourth proportional to 33,140.10, 45,739.92 and 18,800.22 is: 25,948.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.10 : 45,739.92 = 18,800.22 : x
  2. Step 2: Convert to fraction form
    33,140.10/45,739.92 = 18,800.22/x
  3. Step 3: Cross multiply
    33,140.10x = 45,739.92 × 18,800.22
  4. Step 4: Simplify right side
    33,140.10x = 859,920,558.78
  5. Step 5: Solve for x
    x = 859,920,558.78/33,140.10
  6. Step 6: Final answer
    x = 25,948.04

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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.