Home / 31,508.21-43,482.32-18,081.92

Finding the Fourth Proportional to 31,508.21, 43,482.32 and 18,081.92

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Solution

The fourth proportional to 31,508.21, 43,482.32 and 18,081.92 is: 24,953.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,508.21 : 43,482.32 = 18,081.92 : x
  2. Step 2: Convert to fraction form
    31,508.21/43,482.32 = 18,081.92/x
  3. Step 3: Cross multiply
    31,508.21x = 43,482.32 × 18,081.92
  4. Step 4: Simplify right side
    31,508.21x = 786,243,523.83
  5. Step 5: Solve for x
    x = 786,243,523.83/31,508.21
  6. Step 6: Final answer
    x = 24,953.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.