Home / 37,859.22-52,241.20-21,725.72

Finding the Fourth Proportional to 37,859.22, 52,241.20 and 21,725.72

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Solution

The fourth proportional to 37,859.22, 52,241.20 and 21,725.72 is: 29,978.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,859.22 : 52,241.20 = 21,725.72 : x
  2. Step 2: Convert to fraction form
    37,859.22/52,241.20 = 21,725.72/x
  3. Step 3: Cross multiply
    37,859.22x = 52,241.20 × 21,725.72
  4. Step 4: Simplify right side
    37,859.22x = 1,134,977,683.66
  5. Step 5: Solve for x
    x = 1,134,977,683.66/37,859.22
  6. Step 6: Final answer
    x = 29,978.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.