Home / 43,009.07-64,513.62-13,429.44

Finding the Fourth Proportional to 43,009.07, 64,513.62 and 13,429.44

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Solution

The fourth proportional to 43,009.07, 64,513.62 and 13,429.44 is: 20,144.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,009.07 : 64,513.62 = 13,429.44 : x
  2. Step 2: Convert to fraction form
    43,009.07/64,513.62 = 13,429.44/x
  3. Step 3: Cross multiply
    43,009.07x = 64,513.62 × 13,429.44
  4. Step 4: Simplify right side
    43,009.07x = 866,381,788.97
  5. Step 5: Solve for x
    x = 866,381,788.97/43,009.07
  6. Step 6: Final answer
    x = 20,144.16

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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.