Home / 43,212.40-64,792.68-16,885.78

Finding the Fourth Proportional to 43,212.40, 64,792.68 and 16,885.78

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Solution

The fourth proportional to 43,212.40, 64,792.68 and 16,885.78 is: 25,318.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,212.40 : 64,792.68 = 16,885.78 : x
  2. Step 2: Convert to fraction form
    43,212.40/64,792.68 = 16,885.78/x
  3. Step 3: Cross multiply
    43,212.40x = 64,792.68 × 16,885.78
  4. Step 4: Simplify right side
    43,212.40x = 1,094,074,940.09
  5. Step 5: Solve for x
    x = 1,094,074,940.09/43,212.40
  6. Step 6: Final answer
    x = 25,318.54

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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.