Home / 31,948.19-47,922.28-8,574.63

Finding the Fourth Proportional to 31,948.19, 47,922.28 and 8,574.63

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Solution

The fourth proportional to 31,948.19, 47,922.28 and 8,574.63 is: 12,861.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,948.19 : 47,922.28 = 8,574.63 : x
  2. Step 2: Convert to fraction form
    31,948.19/47,922.28 = 8,574.63/x
  3. Step 3: Cross multiply
    31,948.19x = 47,922.28 × 8,574.63
  4. Step 4: Simplify right side
    31,948.19x = 410,915,716.50
  5. Step 5: Solve for x
    x = 410,915,716.50/31,948.19
  6. Step 6: Final answer
    x = 12,861.94

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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.