Home / 35,687.91-53,535.51-12,311.31

Finding the Fourth Proportional to 35,687.91, 53,535.51 and 12,311.31

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Solution

The fourth proportional to 35,687.91, 53,535.51 and 12,311.31 is: 18,468.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,687.91 : 53,535.51 = 12,311.31 : x
  2. Step 2: Convert to fraction form
    35,687.91/53,535.51 = 12,311.31/x
  3. Step 3: Cross multiply
    35,687.91x = 53,535.51 × 12,311.31
  4. Step 4: Simplify right side
    35,687.91x = 659,092,259.62
  5. Step 5: Solve for x
    x = 659,092,259.62/35,687.91
  6. Step 6: Final answer
    x = 18,468.22

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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.