Home / 57,072.23-85,620.02-19,627.43

Finding the Fourth Proportional to 57,072.23, 85,620.02 and 19,627.43

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Solution

The fourth proportional to 57,072.23, 85,620.02 and 19,627.43 is: 29,445.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,072.23 : 85,620.02 = 19,627.43 : x
  2. Step 2: Convert to fraction form
    57,072.23/85,620.02 = 19,627.43/x
  3. Step 3: Cross multiply
    57,072.23x = 85,620.02 × 19,627.43
  4. Step 4: Simplify right side
    57,072.23x = 1,680,500,422.91
  5. Step 5: Solve for x
    x = 1,680,500,422.91/57,072.23
  6. Step 6: Final answer
    x = 29,445.15

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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.