Home / 31,823.82-47,713.00-14,947.40

Finding the Fourth Proportional to 31,823.82, 47,713.00 and 14,947.40

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Solution

The fourth proportional to 31,823.82, 47,713.00 and 14,947.40 is: 22,410.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,823.82 : 47,713.00 = 14,947.40 : x
  2. Step 2: Convert to fraction form
    31,823.82/47,713.00 = 14,947.40/x
  3. Step 3: Cross multiply
    31,823.82x = 47,713.00 × 14,947.40
  4. Step 4: Simplify right side
    31,823.82x = 713,185,221.46
  5. Step 5: Solve for x
    x = 713,185,221.46/31,823.82
  6. Step 6: Final answer
    x = 22,410.43

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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.