Home / 51,635.13-77,453.46-20,047.02

Finding the Fourth Proportional to 51,635.13, 77,453.46 and 20,047.02

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Solution

The fourth proportional to 51,635.13, 77,453.46 and 20,047.02 is: 30,070.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,635.13 : 77,453.46 = 20,047.02 : x
  2. Step 2: Convert to fraction form
    51,635.13/77,453.46 = 20,047.02/x
  3. Step 3: Cross multiply
    51,635.13x = 77,453.46 × 20,047.02
  4. Step 4: Simplify right side
    51,635.13x = 1,552,711,061.69
  5. Step 5: Solve for x
    x = 1,552,711,061.69/51,635.13
  6. Step 6: Final answer
    x = 30,070.83

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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.