Home / 39,853.91-54,938.30-32,768.03

Finding the Fourth Proportional to 39,853.91, 54,938.30 and 32,768.03

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Solution

The fourth proportional to 39,853.91, 54,938.30 and 32,768.03 is: 45,170.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,853.91 : 54,938.30 = 32,768.03 : x
  2. Step 2: Convert to fraction form
    39,853.91/54,938.30 = 32,768.03/x
  3. Step 3: Cross multiply
    39,853.91x = 54,938.30 × 32,768.03
  4. Step 4: Simplify right side
    39,853.91x = 1,800,219,424.02
  5. Step 5: Solve for x
    x = 1,800,219,424.02/39,853.91
  6. Step 6: Final answer
    x = 45,170.47

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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.