Home / 46,579.60-69,863.10-18,520.30

Finding the Fourth Proportional to 46,579.60, 69,863.10 and 18,520.30

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Solution

The fourth proportional to 46,579.60, 69,863.10 and 18,520.30 is: 27,777.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,579.60 : 69,863.10 = 18,520.30 : x
  2. Step 2: Convert to fraction form
    46,579.60/69,863.10 = 18,520.30/x
  3. Step 3: Cross multiply
    46,579.60x = 69,863.10 × 18,520.30
  4. Step 4: Simplify right side
    46,579.60x = 1,293,885,570.93
  5. Step 5: Solve for x
    x = 1,293,885,570.93/46,579.60
  6. Step 6: Final answer
    x = 27,777.95

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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.