Home / 50,461.44-75,701.28-20,863.20

Finding the Fourth Proportional to 50,461.44, 75,701.28 and 20,863.20

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Solution

The fourth proportional to 50,461.44, 75,701.28 and 20,863.20 is: 31,298.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,461.44 : 75,701.28 = 20,863.20 : x
  2. Step 2: Convert to fraction form
    50,461.44/75,701.28 = 20,863.20/x
  3. Step 3: Cross multiply
    50,461.44x = 75,701.28 × 20,863.20
  4. Step 4: Simplify right side
    50,461.44x = 1,579,370,944.90
  5. Step 5: Solve for x
    x = 1,579,370,944.90/50,461.44
  6. Step 6: Final answer
    x = 31,298.57

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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.