Home / 39,105.74-53,969.03-22,113.56

Finding the Fourth Proportional to 39,105.74, 53,969.03 and 22,113.56

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Solution

The fourth proportional to 39,105.74, 53,969.03 and 22,113.56 is: 30,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,105.74 : 53,969.03 = 22,113.56 : x
  2. Step 2: Convert to fraction form
    39,105.74/53,969.03 = 22,113.56/x
  3. Step 3: Cross multiply
    39,105.74x = 53,969.03 × 22,113.56
  4. Step 4: Simplify right side
    39,105.74x = 1,193,447,311.14
  5. Step 5: Solve for x
    x = 1,193,447,311.14/39,105.74
  6. Step 6: Final answer
    x = 30,518.47

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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.