Home / 31,575.63-43,569.17-18,144.03

Finding the Fourth Proportional to 31,575.63, 43,569.17 and 18,144.03

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Solution

The fourth proportional to 31,575.63, 43,569.17 and 18,144.03 is: 25,035.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,575.63 : 43,569.17 = 18,144.03 : x
  2. Step 2: Convert to fraction form
    31,575.63/43,569.17 = 18,144.03/x
  3. Step 3: Cross multiply
    31,575.63x = 43,569.17 × 18,144.03
  4. Step 4: Simplify right side
    31,575.63x = 790,520,236.83
  5. Step 5: Solve for x
    x = 790,520,236.83/31,575.63
  6. Step 6: Final answer
    x = 25,035.77

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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.