Home / 39,163.50-54,045.63-22,167.45

Finding the Fourth Proportional to 39,163.50, 54,045.63 and 22,167.45

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Solution

The fourth proportional to 39,163.50, 54,045.63 and 22,167.45 is: 30,591.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,163.50 : 54,045.63 = 22,167.45 : x
  2. Step 2: Convert to fraction form
    39,163.50/54,045.63 = 22,167.45/x
  3. Step 3: Cross multiply
    39,163.50x = 54,045.63 × 22,167.45
  4. Step 4: Simplify right side
    39,163.50x = 1,198,053,800.74
  5. Step 5: Solve for x
    x = 1,198,053,800.74/39,163.50
  6. Step 6: Final answer
    x = 30,591.08

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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.