Home / 43,043.27-64,562.47-13,457.61

Finding the Fourth Proportional to 43,043.27, 64,562.47 and 13,457.61

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Solution

The fourth proportional to 43,043.27, 64,562.47 and 13,457.61 is: 20,185.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,043.27 : 64,562.47 = 13,457.61 : x
  2. Step 2: Convert to fraction form
    43,043.27/64,562.47 = 13,457.61/x
  3. Step 3: Cross multiply
    43,043.27x = 64,562.47 × 13,457.61
  4. Step 4: Simplify right side
    43,043.27x = 868,856,508.25
  5. Step 5: Solve for x
    x = 868,856,508.25/43,043.27
  6. Step 6: Final answer
    x = 20,185.66

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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.