Home / 39,120.24-53,985.24-22,352.88

Finding the Fourth Proportional to 39,120.24, 53,985.24 and 22,352.88

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Solution

The fourth proportional to 39,120.24, 53,985.24 and 22,352.88 is: 30,846.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,120.24 : 53,985.24 = 22,352.88 : x
  2. Step 2: Convert to fraction form
    39,120.24/53,985.24 = 22,352.88/x
  3. Step 3: Cross multiply
    39,120.24x = 53,985.24 × 22,352.88
  4. Step 4: Simplify right side
    39,120.24x = 1,206,725,591.49
  5. Step 5: Solve for x
    x = 1,206,725,591.49/39,120.24
  6. Step 6: Final answer
    x = 30,846.58

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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.