Home / 31,835.77-47,737.24-14,290.57

Finding the Fourth Proportional to 31,835.77, 47,737.24 and 14,290.57

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Solution

The fourth proportional to 31,835.77, 47,737.24 and 14,290.57 is: 21,428.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,835.77 : 47,737.24 = 14,290.57 : x
  2. Step 2: Convert to fraction form
    31,835.77/47,737.24 = 14,290.57/x
  3. Step 3: Cross multiply
    31,835.77x = 47,737.24 × 14,290.57
  4. Step 4: Simplify right side
    31,835.77x = 682,192,369.83
  5. Step 5: Solve for x
    x = 682,192,369.83/31,835.77
  6. Step 6: Final answer
    x = 21,428.49

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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.