Home / 39,153.08-54,033.42-22,158.20

Finding the Fourth Proportional to 39,153.08, 54,033.42 and 22,158.20

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Solution

The fourth proportional to 39,153.08, 54,033.42 and 22,158.20 is: 30,579.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,153.08 : 54,033.42 = 22,158.20 : x
  2. Step 2: Convert to fraction form
    39,153.08/54,033.42 = 22,158.20/x
  3. Step 3: Cross multiply
    39,153.08x = 54,033.42 × 22,158.20
  4. Step 4: Simplify right side
    39,153.08x = 1,197,283,327.04
  5. Step 5: Solve for x
    x = 1,197,283,327.04/39,153.08
  6. Step 6: Final answer
    x = 30,579.54

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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.