Home / 27,232.20-40,848.30-20,579.40

Finding the Fourth Proportional to 27,232.20, 40,848.30 and 20,579.40

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Solution

The fourth proportional to 27,232.20, 40,848.30 and 20,579.40 is: 30,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,232.20 : 40,848.30 = 20,579.40 : x
  2. Step 2: Convert to fraction form
    27,232.20/40,848.30 = 20,579.40/x
  3. Step 3: Cross multiply
    27,232.20x = 40,848.30 × 20,579.40
  4. Step 4: Simplify right side
    27,232.20x = 840,633,505.02
  5. Step 5: Solve for x
    x = 840,633,505.02/27,232.20
  6. Step 6: Final answer
    x = 30,869.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.