Home / 31,709.34-47,551.77-9,517.50

Finding the Fourth Proportional to 31,709.34, 47,551.77 and 9,517.50

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Solution

The fourth proportional to 31,709.34, 47,551.77 and 9,517.50 is: 14,272.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,709.34 : 47,551.77 = 9,517.50 : x
  2. Step 2: Convert to fraction form
    31,709.34/47,551.77 = 9,517.50/x
  3. Step 3: Cross multiply
    31,709.34x = 47,551.77 × 9,517.50
  4. Step 4: Simplify right side
    31,709.34x = 452,573,970.98
  5. Step 5: Solve for x
    x = 452,573,970.98/31,709.34
  6. Step 6: Final answer
    x = 14,272.58

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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.