Home / 38,614.11-57,881.31-21,938.24

Finding the Fourth Proportional to 38,614.11, 57,881.31 and 21,938.24

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Solution

The fourth proportional to 38,614.11, 57,881.31 and 21,938.24 is: 32,884.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,614.11 : 57,881.31 = 21,938.24 : x
  2. Step 2: Convert to fraction form
    38,614.11/57,881.31 = 21,938.24/x
  3. Step 3: Cross multiply
    38,614.11x = 57,881.31 × 21,938.24
  4. Step 4: Simplify right side
    38,614.11x = 1,269,814,070.29
  5. Step 5: Solve for x
    x = 1,269,814,070.29/38,614.11
  6. Step 6: Final answer
    x = 32,884.72

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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.