Home / 33,015.60-49,523.40-21,937.20

Finding the Fourth Proportional to 33,015.60, 49,523.40 and 21,937.20

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Solution

The fourth proportional to 33,015.60, 49,523.40 and 21,937.20 is: 32,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,015.60 : 49,523.40 = 21,937.20 : x
  2. Step 2: Convert to fraction form
    33,015.60/49,523.40 = 21,937.20/x
  3. Step 3: Cross multiply
    33,015.60x = 49,523.40 × 21,937.20
  4. Step 4: Simplify right side
    33,015.60x = 1,086,404,730.48
  5. Step 5: Solve for x
    x = 1,086,404,730.48/33,015.60
  6. Step 6: Final answer
    x = 32,905.80

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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.