Home / 36,518.58-54,734.13-18,730.98

Finding the Fourth Proportional to 36,518.58, 54,734.13 and 18,730.98

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Solution

The fourth proportional to 36,518.58, 54,734.13 and 18,730.98 is: 28,074.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,518.58 : 54,734.13 = 18,730.98 : x
  2. Step 2: Convert to fraction form
    36,518.58/54,734.13 = 18,730.98/x
  3. Step 3: Cross multiply
    36,518.58x = 54,734.13 × 18,730.98
  4. Step 4: Simplify right side
    36,518.58x = 1,025,223,894.35
  5. Step 5: Solve for x
    x = 1,025,223,894.35/36,518.58
  6. Step 6: Final answer
    x = 28,074.04

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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.