Home / 55,042.32-82,506.96-21,748.80

Finding the Fourth Proportional to 55,042.32, 82,506.96 and 21,748.80

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Solution

The fourth proportional to 55,042.32, 82,506.96 and 21,748.80 is: 32,600.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,042.32 : 82,506.96 = 21,748.80 : x
  2. Step 2: Convert to fraction form
    55,042.32/82,506.96 = 21,748.80/x
  3. Step 3: Cross multiply
    55,042.32x = 82,506.96 × 21,748.80
  4. Step 4: Simplify right side
    55,042.32x = 1,794,427,371.65
  5. Step 5: Solve for x
    x = 1,794,427,371.65/55,042.32
  6. Step 6: Final answer
    x = 32,600.87

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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.