Home / 38,529.20-53,167.76-22,395.12

Finding the Fourth Proportional to 38,529.20, 53,167.76 and 22,395.12

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Solution

The fourth proportional to 38,529.20, 53,167.76 and 22,395.12 is: 30,903.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,529.20 : 53,167.76 = 22,395.12 : x
  2. Step 2: Convert to fraction form
    38,529.20/53,167.76 = 22,395.12/x
  3. Step 3: Cross multiply
    38,529.20x = 53,167.76 × 22,395.12
  4. Step 4: Simplify right side
    38,529.20x = 1,190,698,365.33
  5. Step 5: Solve for x
    x = 1,190,698,365.33/38,529.20
  6. Step 6: Final answer
    x = 30,903.79

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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.