Home / 39,291.42-54,226.77-22,066.61

Finding the Fourth Proportional to 39,291.42, 54,226.77 and 22,066.61

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Solution

The fourth proportional to 39,291.42, 54,226.77 and 22,066.61 is: 30,454.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,291.42 : 54,226.77 = 22,066.61 : x
  2. Step 2: Convert to fraction form
    39,291.42/54,226.77 = 22,066.61/x
  3. Step 3: Cross multiply
    39,291.42x = 54,226.77 × 22,066.61
  4. Step 4: Simplify right side
    39,291.42x = 1,196,600,985.15
  5. Step 5: Solve for x
    x = 1,196,600,985.15/39,291.42
  6. Step 6: Final answer
    x = 30,454.51

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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.