Home / 33,027.60-49,541.40-21,898.20

Finding the Fourth Proportional to 33,027.60, 49,541.40 and 21,898.20

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Solution

The fourth proportional to 33,027.60, 49,541.40 and 21,898.20 is: 32,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,027.60 : 49,541.40 = 21,898.20 : x
  2. Step 2: Convert to fraction form
    33,027.60/49,541.40 = 21,898.20/x
  3. Step 3: Cross multiply
    33,027.60x = 49,541.40 × 21,898.20
  4. Step 4: Simplify right side
    33,027.60x = 1,084,867,485.48
  5. Step 5: Solve for x
    x = 1,084,867,485.48/33,027.60
  6. Step 6: Final answer
    x = 32,847.30

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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.