Home / 31,165.60-46,750.84-15,379.10

Finding the Fourth Proportional to 31,165.60, 46,750.84 and 15,379.10

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Solution

The fourth proportional to 31,165.60, 46,750.84 and 15,379.10 is: 23,069.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,165.60 : 46,750.84 = 15,379.10 : x
  2. Step 2: Convert to fraction form
    31,165.60/46,750.84 = 15,379.10/x
  3. Step 3: Cross multiply
    31,165.60x = 46,750.84 × 15,379.10
  4. Step 4: Simplify right side
    31,165.60x = 718,985,843.44
  5. Step 5: Solve for x
    x = 718,985,843.44/31,165.60
  6. Step 6: Final answer
    x = 23,069.85

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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.