Home / 39,081.46-53,929.22-22,087.16

Finding the Fourth Proportional to 39,081.46, 53,929.22 and 22,087.16

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Solution

The fourth proportional to 39,081.46, 53,929.22 and 22,087.16 is: 30,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,081.46 : 53,929.22 = 22,087.16 : x
  2. Step 2: Convert to fraction form
    39,081.46/53,929.22 = 22,087.16/x
  3. Step 3: Cross multiply
    39,081.46x = 53,929.22 × 22,087.16
  4. Step 4: Simplify right side
    39,081.46x = 1,191,143,310.82
  5. Step 5: Solve for x
    x = 1,191,143,310.82/39,081.46
  6. Step 6: Final answer
    x = 30,478.48

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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.