Home / 57,213.61-85,820.40-22,153.27

Finding the Fourth Proportional to 57,213.61, 85,820.40 and 22,153.27

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Solution

The fourth proportional to 57,213.61, 85,820.40 and 22,153.27 is: 33,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,213.61 : 85,820.40 = 22,153.27 : x
  2. Step 2: Convert to fraction form
    57,213.61/85,820.40 = 22,153.27/x
  3. Step 3: Cross multiply
    57,213.61x = 85,820.40 × 22,153.27
  4. Step 4: Simplify right side
    57,213.61x = 1,901,202,492.71
  5. Step 5: Solve for x
    x = 1,901,202,492.71/57,213.61
  6. Step 6: Final answer
    x = 33,229.90

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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.