Home / 36,687.63-55,023.75-10,385.31

Finding the Fourth Proportional to 36,687.63, 55,023.75 and 10,385.31

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Solution

The fourth proportional to 36,687.63, 55,023.75 and 10,385.31 is: 15,575.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,687.63 : 55,023.75 = 10,385.31 : x
  2. Step 2: Convert to fraction form
    36,687.63/55,023.75 = 10,385.31/x
  3. Step 3: Cross multiply
    36,687.63x = 55,023.75 × 10,385.31
  4. Step 4: Simplify right side
    36,687.63x = 571,438,701.11
  5. Step 5: Solve for x
    x = 571,438,701.11/36,687.63
  6. Step 6: Final answer
    x = 15,575.79

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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.