Home / 43,213.26-64,699.47-22,107.90

Finding the Fourth Proportional to 43,213.26, 64,699.47 and 22,107.90

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Solution

The fourth proportional to 43,213.26, 64,699.47 and 22,107.90 is: 33,100.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,213.26 : 64,699.47 = 22,107.90 : x
  2. Step 2: Convert to fraction form
    43,213.26/64,699.47 = 22,107.90/x
  3. Step 3: Cross multiply
    43,213.26x = 64,699.47 × 22,107.90
  4. Step 4: Simplify right side
    43,213.26x = 1,430,369,412.81
  5. Step 5: Solve for x
    x = 1,430,369,412.81/43,213.26
  6. Step 6: Final answer
    x = 33,100.24

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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.