Home / 43,464.92-65,211.35-19,780.92

Finding the Fourth Proportional to 43,464.92, 65,211.35 and 19,780.92

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Solution

The fourth proportional to 43,464.92, 65,211.35 and 19,780.92 is: 29,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,464.92 : 65,211.35 = 19,780.92 : x
  2. Step 2: Convert to fraction form
    43,464.92/65,211.35 = 19,780.92/x
  3. Step 3: Cross multiply
    43,464.92x = 65,211.35 × 19,780.92
  4. Step 4: Simplify right side
    43,464.92x = 1,289,940,398.54
  5. Step 5: Solve for x
    x = 1,289,940,398.54/43,464.92
  6. Step 6: Final answer
    x = 29,677.74

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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.