Home / 50,462.15-75,702.13-20,863.40

Finding the Fourth Proportional to 50,462.15, 75,702.13 and 20,863.40

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Solution

The fourth proportional to 50,462.15, 75,702.13 and 20,863.40 is: 31,298.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,462.15 : 75,702.13 = 20,863.40 : x
  2. Step 2: Convert to fraction form
    50,462.15/75,702.13 = 20,863.40/x
  3. Step 3: Cross multiply
    50,462.15x = 75,702.13 × 20,863.40
  4. Step 4: Simplify right side
    50,462.15x = 1,579,403,388.37
  5. Step 5: Solve for x
    x = 1,579,403,388.37/50,462.15
  6. Step 6: Final answer
    x = 31,298.78

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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.