Home / 31,984.18-47,977.71-9,795.94

Finding the Fourth Proportional to 31,984.18, 47,977.71 and 9,795.94

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Solution

The fourth proportional to 31,984.18, 47,977.71 and 9,795.94 is: 14,694.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,984.18 : 47,977.71 = 9,795.94 : x
  2. Step 2: Convert to fraction form
    31,984.18/47,977.71 = 9,795.94/x
  3. Step 3: Cross multiply
    31,984.18x = 47,977.71 × 9,795.94
  4. Step 4: Simplify right side
    31,984.18x = 469,986,768.50
  5. Step 5: Solve for x
    x = 469,986,768.50/31,984.18
  6. Step 6: Final answer
    x = 14,694.35

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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.