Home / 31,826.71-47,667.40-15,198.46

Finding the Fourth Proportional to 31,826.71, 47,667.40 and 15,198.46

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Solution

The fourth proportional to 31,826.71, 47,667.40 and 15,198.46 is: 22,762.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,826.71 : 47,667.40 = 15,198.46 : x
  2. Step 2: Convert to fraction form
    31,826.71/47,667.40 = 15,198.46/x
  3. Step 3: Cross multiply
    31,826.71x = 47,667.40 × 15,198.46
  4. Step 4: Simplify right side
    31,826.71x = 724,470,915.04
  5. Step 5: Solve for x
    x = 724,470,915.04/31,826.71
  6. Step 6: Final answer
    x = 22,762.98

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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.