Home / 43,722.52-65,583.84-18,746.44

Finding the Fourth Proportional to 43,722.52, 65,583.84 and 18,746.44

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Solution

The fourth proportional to 43,722.52, 65,583.84 and 18,746.44 is: 28,119.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,722.52 : 65,583.84 = 18,746.44 : x
  2. Step 2: Convert to fraction form
    43,722.52/65,583.84 = 18,746.44/x
  3. Step 3: Cross multiply
    43,722.52x = 65,583.84 × 18,746.44
  4. Step 4: Simplify right side
    43,722.52x = 1,229,463,521.53
  5. Step 5: Solve for x
    x = 1,229,463,521.53/43,722.52
  6. Step 6: Final answer
    x = 28,119.69

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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.