Home / 52,013.34-77,951.97-20,812.14

Finding the Fourth Proportional to 52,013.34, 77,951.97 and 20,812.14

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Solution

The fourth proportional to 52,013.34, 77,951.97 and 20,812.14 is: 31,190.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,013.34 : 77,951.97 = 20,812.14 : x
  2. Step 2: Convert to fraction form
    52,013.34/77,951.97 = 20,812.14/x
  3. Step 3: Cross multiply
    52,013.34x = 77,951.97 × 20,812.14
  4. Step 4: Simplify right side
    52,013.34x = 1,622,347,312.92
  5. Step 5: Solve for x
    x = 1,622,347,312.92/52,013.34
  6. Step 6: Final answer
    x = 31,190.99

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1.5x scale

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.