Home / 39,150.08-54,023.46-22,155.88

Finding the Fourth Proportional to 39,150.08, 54,023.46 and 22,155.88

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Solution

The fourth proportional to 39,150.08, 54,023.46 and 22,155.88 is: 30,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,150.08 : 54,023.46 = 22,155.88 : x
  2. Step 2: Convert to fraction form
    39,150.08/54,023.46 = 22,155.88/x
  3. Step 3: Cross multiply
    39,150.08x = 54,023.46 × 22,155.88
  4. Step 4: Simplify right side
    39,150.08x = 1,196,937,296.94
  5. Step 5: Solve for x
    x = 1,196,937,296.94/39,150.08
  6. Step 6: Final answer
    x = 30,573.05

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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.