Home / 43,470.76-65,181.66-13,881.64

Finding the Fourth Proportional to 43,470.76, 65,181.66 and 13,881.64

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Solution

The fourth proportional to 43,470.76, 65,181.66 and 13,881.64 is: 20,814.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,470.76 : 65,181.66 = 13,881.64 : x
  2. Step 2: Convert to fraction form
    43,470.76/65,181.66 = 13,881.64/x
  3. Step 3: Cross multiply
    43,470.76x = 65,181.66 × 13,881.64
  4. Step 4: Simplify right side
    43,470.76x = 904,828,338.72
  5. Step 5: Solve for x
    x = 904,828,338.72/43,470.76
  6. Step 6: Final answer
    x = 20,814.64

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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.