Home / 38,656.96-57,996.51-18,941.29

Finding the Fourth Proportional to 38,656.96, 57,996.51 and 18,941.29

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Solution

The fourth proportional to 38,656.96, 57,996.51 and 18,941.29 is: 28,417.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,656.96 : 57,996.51 = 18,941.29 : x
  2. Step 2: Convert to fraction form
    38,656.96/57,996.51 = 18,941.29/x
  3. Step 3: Cross multiply
    38,656.96x = 57,996.51 × 18,941.29
  4. Step 4: Simplify right side
    38,656.96x = 1,098,528,714.90
  5. Step 5: Solve for x
    x = 1,098,528,714.90/38,656.96
  6. Step 6: Final answer
    x = 28,417.36

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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.