Home / 35,776.11-53,664.17-12,402.56

Finding the Fourth Proportional to 35,776.11, 53,664.17 and 12,402.56

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Solution

The fourth proportional to 35,776.11, 53,664.17 and 12,402.56 is: 18,603.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,776.11 : 53,664.17 = 12,402.56 : x
  2. Step 2: Convert to fraction form
    35,776.11/53,664.17 = 12,402.56/x
  3. Step 3: Cross multiply
    35,776.11x = 53,664.17 × 12,402.56
  4. Step 4: Simplify right side
    35,776.11x = 665,572,757.94
  5. Step 5: Solve for x
    x = 665,572,757.94/35,776.11
  6. Step 6: Final answer
    x = 18,603.83

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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.