Home / 39,222.56-54,125.52-22,453.28

Finding the Fourth Proportional to 39,222.56, 54,125.52 and 22,453.28

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Solution

The fourth proportional to 39,222.56, 54,125.52 and 22,453.28 is: 30,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,222.56 : 54,125.52 = 22,453.28 : x
  2. Step 2: Convert to fraction form
    39,222.56/54,125.52 = 22,453.28/x
  3. Step 3: Cross multiply
    39,222.56x = 54,125.52 × 22,453.28
  4. Step 4: Simplify right side
    39,222.56x = 1,215,295,455.71
  5. Step 5: Solve for x
    x = 1,215,295,455.71/39,222.56
  6. Step 6: Final answer
    x = 30,984.60

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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.