Home / 39,968.11-55,156.07-22,063.13

Finding the Fourth Proportional to 39,968.11, 55,156.07 and 22,063.13

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Solution

The fourth proportional to 39,968.11, 55,156.07 and 22,063.13 is: 30,447.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,968.11 : 55,156.07 = 22,063.13 : x
  2. Step 2: Convert to fraction form
    39,968.11/55,156.07 = 22,063.13/x
  3. Step 3: Cross multiply
    39,968.11x = 55,156.07 × 22,063.13
  4. Step 4: Simplify right side
    39,968.11x = 1,216,915,542.70
  5. Step 5: Solve for x
    x = 1,216,915,542.70/39,968.11
  6. Step 6: Final answer
    x = 30,447.16

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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.