Home / 39,914.79-55,081.15-22,010.55

Finding the Fourth Proportional to 39,914.79, 55,081.15 and 22,010.55

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Solution

The fourth proportional to 39,914.79, 55,081.15 and 22,010.55 is: 30,373.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,914.79 : 55,081.15 = 22,010.55 : x
  2. Step 2: Convert to fraction form
    39,914.79/55,081.15 = 22,010.55/x
  3. Step 3: Cross multiply
    39,914.79x = 55,081.15 × 22,010.55
  4. Step 4: Simplify right side
    39,914.79x = 1,212,366,351.11
  5. Step 5: Solve for x
    x = 1,212,366,351.11/39,914.79
  6. Step 6: Final answer
    x = 30,373.86

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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.