Home / 43,246.25-64,869.61-13,664.19

Finding the Fourth Proportional to 43,246.25, 64,869.61 and 13,664.19

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Solution

The fourth proportional to 43,246.25, 64,869.61 and 13,664.19 is: 20,496.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,246.25 : 64,869.61 = 13,664.19 : x
  2. Step 2: Convert to fraction form
    43,246.25/64,869.61 = 13,664.19/x
  3. Step 3: Cross multiply
    43,246.25x = 64,869.61 × 13,664.19
  4. Step 4: Simplify right side
    43,246.25x = 886,390,910.99
  5. Step 5: Solve for x
    x = 886,390,910.99/43,246.25
  6. Step 6: Final answer
    x = 20,496.36

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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.