Home / 39,107.47-53,967.98-22,115.05

Finding the Fourth Proportional to 39,107.47, 53,967.98 and 22,115.05

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Solution

The fourth proportional to 39,107.47, 53,967.98 and 22,115.05 is: 30,518.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,107.47 : 53,967.98 = 22,115.05 : x
  2. Step 2: Convert to fraction form
    39,107.47/53,967.98 = 22,115.05/x
  3. Step 3: Cross multiply
    39,107.47x = 53,967.98 × 22,115.05
  4. Step 4: Simplify right side
    39,107.47x = 1,193,504,434.27
  5. Step 5: Solve for x
    x = 1,193,504,434.27/39,107.47
  6. Step 6: Final answer
    x = 30,518.58

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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.