Home / 51,901.44-77,885.27-18,620.77

Finding the Fourth Proportional to 51,901.44, 77,885.27 and 18,620.77

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Solution

The fourth proportional to 51,901.44, 77,885.27 and 18,620.77 is: 27,943.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,901.44 : 77,885.27 = 18,620.77 : x
  2. Step 2: Convert to fraction form
    51,901.44/77,885.27 = 18,620.77/x
  3. Step 3: Cross multiply
    51,901.44x = 77,885.27 × 18,620.77
  4. Step 4: Simplify right side
    51,901.44x = 1,450,283,216.53
  5. Step 5: Solve for x
    x = 1,450,283,216.53/51,901.44
  6. Step 6: Final answer
    x = 27,943.02

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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.