Home / 31,982.47-47,973.83-9,795.76

Finding the Fourth Proportional to 31,982.47, 47,973.83 and 9,795.76

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Solution

The fourth proportional to 31,982.47, 47,973.83 and 9,795.76 is: 14,693.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,982.47 : 47,973.83 = 9,795.76 : x
  2. Step 2: Convert to fraction form
    31,982.47/47,973.83 = 9,795.76/x
  3. Step 3: Cross multiply
    31,982.47x = 47,973.83 × 9,795.76
  4. Step 4: Simplify right side
    31,982.47x = 469,940,124.96
  5. Step 5: Solve for x
    x = 469,940,124.96/31,982.47
  6. Step 6: Final answer
    x = 14,693.68

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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.