Home / 39,113.90-53,974.23-22,119.74

Finding the Fourth Proportional to 39,113.90, 53,974.23 and 22,119.74

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Solution

The fourth proportional to 39,113.90, 53,974.23 and 22,119.74 is: 30,523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,113.90 : 53,974.23 = 22,119.74 : x
  2. Step 2: Convert to fraction form
    39,113.90/53,974.23 = 22,119.74/x
  3. Step 3: Cross multiply
    39,113.90x = 53,974.23 × 22,119.74
  4. Step 4: Simplify right side
    39,113.90x = 1,193,895,664.43
  5. Step 5: Solve for x
    x = 1,193,895,664.43/39,113.90
  6. Step 6: Final answer
    x = 30,523.56

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Double scale
Find fourth proportional to 39,114.90, 53,975.61 and 22,120.74
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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.