Home / 50,417.64-75,638.92-20,843.94

Finding the Fourth Proportional to 50,417.64, 75,638.92 and 20,843.94

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Solution

The fourth proportional to 50,417.64, 75,638.92 and 20,843.94 is: 31,271.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,417.64 : 75,638.92 = 20,843.94 : x
  2. Step 2: Convert to fraction form
    50,417.64/75,638.92 = 20,843.94/x
  3. Step 3: Cross multiply
    50,417.64x = 75,638.92 × 20,843.94
  4. Step 4: Simplify right side
    50,417.64x = 1,576,613,110.14
  5. Step 5: Solve for x
    x = 1,576,613,110.14/50,417.64
  6. Step 6: Final answer
    x = 31,271.06

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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.