Home / 39,181.19-54,073.37-22,188.40

Finding the Fourth Proportional to 39,181.19, 54,073.37 and 22,188.40

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Solution

The fourth proportional to 39,181.19, 54,073.37 and 22,188.40 is: 30,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,181.19 : 54,073.37 = 22,188.40 : x
  2. Step 2: Convert to fraction form
    39,181.19/54,073.37 = 22,188.40/x
  3. Step 3: Cross multiply
    39,181.19x = 54,073.37 × 22,188.40
  4. Step 4: Simplify right side
    39,181.19x = 1,199,801,483.20
  5. Step 5: Solve for x
    x = 1,199,801,483.20/39,181.19
  6. Step 6: Final answer
    x = 30,621.88

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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.