Home / 43,246.36-64,869.16-13,664.20

Finding the Fourth Proportional to 43,246.36, 64,869.16 and 13,664.20

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Solution

The fourth proportional to 43,246.36, 64,869.16 and 13,664.20 is: 20,496.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,246.36 : 64,869.16 = 13,664.20 : x
  2. Step 2: Convert to fraction form
    43,246.36/64,869.16 = 13,664.20/x
  3. Step 3: Cross multiply
    43,246.36x = 64,869.16 × 13,664.20
  4. Step 4: Simplify right side
    43,246.36x = 886,385,107.75
  5. Step 5: Solve for x
    x = 886,385,107.75/43,246.36
  6. Step 6: Final answer
    x = 20,496.18

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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.