Home / 39,167.70-54,051.89-22,170.47

Finding the Fourth Proportional to 39,167.70, 54,051.89 and 22,170.47

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Solution

The fourth proportional to 39,167.70, 54,051.89 and 22,170.47 is: 30,595.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,167.70 : 54,051.89 = 22,170.47 : x
  2. Step 2: Convert to fraction form
    39,167.70/54,051.89 = 22,170.47/x
  3. Step 3: Cross multiply
    39,167.70x = 54,051.89 × 22,170.47
  4. Step 4: Simplify right side
    39,167.70x = 1,198,355,424.58
  5. Step 5: Solve for x
    x = 1,198,355,424.58/39,167.70
  6. Step 6: Final answer
    x = 30,595.50

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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.