Home / 39,934.16-55,109.15-22,029.21

Finding the Fourth Proportional to 39,934.16, 55,109.15 and 22,029.21

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Solution

The fourth proportional to 39,934.16, 55,109.15 and 22,029.21 is: 30,400.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,934.16 : 55,109.15 = 22,029.21 : x
  2. Step 2: Convert to fraction form
    39,934.16/55,109.15 = 22,029.21/x
  3. Step 3: Cross multiply
    39,934.16x = 55,109.15 × 22,029.21
  4. Step 4: Simplify right side
    39,934.16x = 1,214,010,928.13
  5. Step 5: Solve for x
    x = 1,214,010,928.13/39,934.16
  6. Step 6: Final answer
    x = 30,400.31

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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.