Home / 38,467.12-57,708.80-21,835.12

Finding the Fourth Proportional to 38,467.12, 57,708.80 and 21,835.12

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Solution

The fourth proportional to 38,467.12, 57,708.80 and 21,835.12 is: 32,757.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,467.12 : 57,708.80 = 21,835.12 : x
  2. Step 2: Convert to fraction form
    38,467.12/57,708.80 = 21,835.12/x
  3. Step 3: Cross multiply
    38,467.12x = 57,708.80 × 21,835.12
  4. Step 4: Simplify right side
    38,467.12x = 1,260,078,573.06
  5. Step 5: Solve for x
    x = 1,260,078,573.06/38,467.12
  6. Step 6: Final answer
    x = 32,757.29

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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.