Home / 39,419.50-54,400.65-22,197.79

Finding the Fourth Proportional to 39,419.50, 54,400.65 and 22,197.79

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Solution

The fourth proportional to 39,419.50, 54,400.65 and 22,197.79 is: 30,633.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,419.50 : 54,400.65 = 22,197.79 : x
  2. Step 2: Convert to fraction form
    39,419.50/54,400.65 = 22,197.79/x
  3. Step 3: Cross multiply
    39,419.50x = 54,400.65 × 22,197.79
  4. Step 4: Simplify right side
    39,419.50x = 1,207,574,204.56
  5. Step 5: Solve for x
    x = 1,207,574,204.56/39,419.50
  6. Step 6: Final answer
    x = 30,633.93

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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.