Home / 39,905.26-55,066.99-22,905.89

Finding the Fourth Proportional to 39,905.26, 55,066.99 and 22,905.89

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Solution

The fourth proportional to 39,905.26, 55,066.99 and 22,905.89 is: 31,608.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,905.26 : 55,066.99 = 22,905.89 : x
  2. Step 2: Convert to fraction form
    39,905.26/55,066.99 = 22,905.89/x
  3. Step 3: Cross multiply
    39,905.26x = 55,066.99 × 22,905.89
  4. Step 4: Simplify right side
    39,905.26x = 1,261,358,332.42
  5. Step 5: Solve for x
    x = 1,261,358,332.42/39,905.26
  6. Step 6: Final answer
    x = 31,608.83

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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.