Home / 39,153.68-54,031.31-22,157.61

Finding the Fourth Proportional to 39,153.68, 54,031.31 and 22,157.61

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Solution

The fourth proportional to 39,153.68, 54,031.31 and 22,157.61 is: 30,577.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,153.68 : 54,031.31 = 22,157.61 : x
  2. Step 2: Convert to fraction form
    39,153.68/54,031.31 = 22,157.61/x
  3. Step 3: Cross multiply
    39,153.68x = 54,031.31 × 22,157.61
  4. Step 4: Simplify right side
    39,153.68x = 1,197,204,464.45
  5. Step 5: Solve for x
    x = 1,197,204,464.45/39,153.68
  6. Step 6: Final answer
    x = 30,577.06

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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.