Home / 43,727.10-65,574.45-14,145.90

Finding the Fourth Proportional to 43,727.10, 65,574.45 and 14,145.90

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Solution

The fourth proportional to 43,727.10, 65,574.45 and 14,145.90 is: 21,213.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,727.10 : 65,574.45 = 14,145.90 : x
  2. Step 2: Convert to fraction form
    43,727.10/65,574.45 = 14,145.90/x
  3. Step 3: Cross multiply
    43,727.10x = 65,574.45 × 14,145.90
  4. Step 4: Simplify right side
    43,727.10x = 927,609,612.26
  5. Step 5: Solve for x
    x = 927,609,612.26/43,727.10
  6. Step 6: Final answer
    x = 21,213.61

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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.