Home / 39,166.35-54,049.05-21,262.02

Finding the Fourth Proportional to 39,166.35, 54,049.05 and 21,262.02

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Solution

The fourth proportional to 39,166.35, 54,049.05 and 21,262.02 is: 29,341.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,166.35 : 54,049.05 = 21,262.02 : x
  2. Step 2: Convert to fraction form
    39,166.35/54,049.05 = 21,262.02/x
  3. Step 3: Cross multiply
    39,166.35x = 54,049.05 × 21,262.02
  4. Step 4: Simplify right side
    39,166.35x = 1,149,191,982.08
  5. Step 5: Solve for x
    x = 1,149,191,982.08/39,166.35
  6. Step 6: Final answer
    x = 29,341.31

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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.