Home / 39,446.12-54,430.99-22,448.14

Finding the Fourth Proportional to 39,446.12, 54,430.99 and 22,448.14

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Solution

The fourth proportional to 39,446.12, 54,430.99 and 22,448.14 is: 30,975.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,446.12 : 54,430.99 = 22,448.14 : x
  2. Step 2: Convert to fraction form
    39,446.12/54,430.99 = 22,448.14/x
  3. Step 3: Cross multiply
    39,446.12x = 54,430.99 × 22,448.14
  4. Step 4: Simplify right side
    39,446.12x = 1,221,874,291.66
  5. Step 5: Solve for x
    x = 1,221,874,291.66/39,446.12
  6. Step 6: Final answer
    x = 30,975.78

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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.