Home / 43,211.71-64,817.57-13,632.54

Finding the Fourth Proportional to 43,211.71, 64,817.57 and 13,632.54

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Solution

The fourth proportional to 43,211.71, 64,817.57 and 13,632.54 is: 20,448.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,211.71 : 64,817.57 = 13,632.54 : x
  2. Step 2: Convert to fraction form
    43,211.71/64,817.57 = 13,632.54/x
  3. Step 3: Cross multiply
    43,211.71x = 64,817.57 × 13,632.54
  4. Step 4: Simplify right side
    43,211.71x = 883,628,115.73
  5. Step 5: Solve for x
    x = 883,628,115.73/43,211.71
  6. Step 6: Final answer
    x = 20,448.81

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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.