Home / 29,039.63-40,052.75-20,102.09

Finding the Fourth Proportional to 29,039.63, 40,052.75 and 20,102.09

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Solution

The fourth proportional to 29,039.63, 40,052.75 and 20,102.09 is: 27,725.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,039.63 : 40,052.75 = 20,102.09 : x
  2. Step 2: Convert to fraction form
    29,039.63/40,052.75 = 20,102.09/x
  3. Step 3: Cross multiply
    29,039.63x = 40,052.75 × 20,102.09
  4. Step 4: Simplify right side
    29,039.63x = 805,143,684.47
  5. Step 5: Solve for x
    x = 805,143,684.47/29,039.63
  6. Step 6: Final answer
    x = 27,725.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.