Home / 31,961.46-47,949.10-12,240.01

Finding the Fourth Proportional to 31,961.46, 47,949.10 and 12,240.01

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Solution

The fourth proportional to 31,961.46, 47,949.10 and 12,240.01 is: 18,362.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,961.46 : 47,949.10 = 12,240.01 : x
  2. Step 2: Convert to fraction form
    31,961.46/47,949.10 = 12,240.01/x
  3. Step 3: Cross multiply
    31,961.46x = 47,949.10 × 12,240.01
  4. Step 4: Simplify right side
    31,961.46x = 586,897,463.49
  5. Step 5: Solve for x
    x = 586,897,463.49/31,961.46
  6. Step 6: Final answer
    x = 18,362.66

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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.