Home / 39,917.43-55,085.27-22,014.09

Finding the Fourth Proportional to 39,917.43, 55,085.27 and 22,014.09

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Solution

The fourth proportional to 39,917.43, 55,085.27 and 22,014.09 is: 30,379.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,917.43 : 55,085.27 = 22,014.09 : x
  2. Step 2: Convert to fraction form
    39,917.43/55,085.27 = 22,014.09/x
  3. Step 3: Cross multiply
    39,917.43x = 55,085.27 × 22,014.09
  4. Step 4: Simplify right side
    39,917.43x = 1,212,651,981.38
  5. Step 5: Solve for x
    x = 1,212,651,981.38/39,917.43
  6. Step 6: Final answer
    x = 30,379.01

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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.