Home / 55,043.32-82,508.46-21,749.80

Finding the Fourth Proportional to 55,043.32, 82,508.46 and 21,749.80

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Solution

The fourth proportional to 55,043.32, 82,508.46 and 21,749.80 is: 32,602.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,043.32 : 82,508.46 = 21,749.80 : x
  2. Step 2: Convert to fraction form
    55,043.32/82,508.46 = 21,749.80/x
  3. Step 3: Cross multiply
    55,043.32x = 82,508.46 × 21,749.80
  4. Step 4: Simplify right side
    55,043.32x = 1,794,542,503.31
  5. Step 5: Solve for x
    x = 1,794,542,503.31/55,043.32
  6. Step 6: Final answer
    x = 32,602.37

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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.