Home / 43,314.96-64,934.48-20,814.43

Finding the Fourth Proportional to 43,314.96, 64,934.48 and 20,814.43

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Solution

The fourth proportional to 43,314.96, 64,934.48 and 20,814.43 is: 31,203.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,314.96 : 64,934.48 = 20,814.43 : x
  2. Step 2: Convert to fraction form
    43,314.96/64,934.48 = 20,814.43/x
  3. Step 3: Cross multiply
    43,314.96x = 64,934.48 × 20,814.43
  4. Step 4: Simplify right side
    43,314.96x = 1,351,574,218.14
  5. Step 5: Solve for x
    x = 1,351,574,218.14/43,314.96
  6. Step 6: Final answer
    x = 31,203.41

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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.