Home / 39,549.69-54,578.15-22,556.70

Finding the Fourth Proportional to 39,549.69, 54,578.15 and 22,556.70

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Solution

The fourth proportional to 39,549.69, 54,578.15 and 22,556.70 is: 31,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,549.69 : 54,578.15 = 22,556.70 : x
  2. Step 2: Convert to fraction form
    39,549.69/54,578.15 = 22,556.70/x
  3. Step 3: Cross multiply
    39,549.69x = 54,578.15 × 22,556.70
  4. Step 4: Simplify right side
    39,549.69x = 1,231,102,956.11
  5. Step 5: Solve for x
    x = 1,231,102,956.11/39,549.69
  6. Step 6: Final answer
    x = 31,128.01

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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.