Home / 43,486.32-65,231.19-13,503.69

Finding the Fourth Proportional to 43,486.32, 65,231.19 and 13,503.69

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Solution

The fourth proportional to 43,486.32, 65,231.19 and 13,503.69 is: 20,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,486.32 : 65,231.19 = 13,503.69 : x
  2. Step 2: Convert to fraction form
    43,486.32/65,231.19 = 13,503.69/x
  3. Step 3: Cross multiply
    43,486.32x = 65,231.19 × 13,503.69
  4. Step 4: Simplify right side
    43,486.32x = 880,861,768.09
  5. Step 5: Solve for x
    x = 880,861,768.09/43,486.32
  6. Step 6: Final answer
    x = 20,256.07

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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.