Home / 43,954.68-65,938.50-12,785.88

Finding the Fourth Proportional to 43,954.68, 65,938.50 and 12,785.88

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Solution

The fourth proportional to 43,954.68, 65,938.50 and 12,785.88 is: 19,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,954.68 : 65,938.50 = 12,785.88 : x
  2. Step 2: Convert to fraction form
    43,954.68/65,938.50 = 12,785.88/x
  3. Step 3: Cross multiply
    43,954.68x = 65,938.50 × 12,785.88
  4. Step 4: Simplify right side
    43,954.68x = 843,081,748.38
  5. Step 5: Solve for x
    x = 843,081,748.38/43,954.68
  6. Step 6: Final answer
    x = 19,180.70

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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.