Home / 47,247.92-70,823.24-20,965.04

Finding the Fourth Proportional to 47,247.92, 70,823.24 and 20,965.04

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Solution

The fourth proportional to 47,247.92, 70,823.24 and 20,965.04 is: 31,425.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,247.92 : 70,823.24 = 20,965.04 : x
  2. Step 2: Convert to fraction form
    47,247.92/70,823.24 = 20,965.04/x
  3. Step 3: Cross multiply
    47,247.92x = 70,823.24 × 20,965.04
  4. Step 4: Simplify right side
    47,247.92x = 1,484,812,059.53
  5. Step 5: Solve for x
    x = 1,484,812,059.53/47,247.92
  6. Step 6: Final answer
    x = 31,425.98

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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.