Home / 43,486.29-65,225.33-13,896.18

Finding the Fourth Proportional to 43,486.29, 65,225.33 and 13,896.18

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Solution

The fourth proportional to 43,486.29, 65,225.33 and 13,896.18 is: 20,842.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,486.29 : 65,225.33 = 13,896.18 : x
  2. Step 2: Convert to fraction form
    43,486.29/65,225.33 = 13,896.18/x
  3. Step 3: Cross multiply
    43,486.29x = 65,225.33 × 13,896.18
  4. Step 4: Simplify right side
    43,486.29x = 906,382,908.87
  5. Step 5: Solve for x
    x = 906,382,908.87/43,486.29
  6. Step 6: Final answer
    x = 20,842.96

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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.