Home / 31,806.06-47,636.42-15,177.77

Finding the Fourth Proportional to 31,806.06, 47,636.42 and 15,177.77

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Solution

The fourth proportional to 31,806.06, 47,636.42 and 15,177.77 is: 22,731.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,806.06 : 47,636.42 = 15,177.77 : x
  2. Step 2: Convert to fraction form
    31,806.06/47,636.42 = 15,177.77/x
  3. Step 3: Cross multiply
    31,806.06x = 47,636.42 × 15,177.77
  4. Step 4: Simplify right side
    31,806.06x = 723,014,576.32
  5. Step 5: Solve for x
    x = 723,014,576.32/31,806.06
  6. Step 6: Final answer
    x = 22,731.98

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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.