Home / 36,006.27-49,688.64-20,090.72

Finding the Fourth Proportional to 36,006.27, 49,688.64 and 20,090.72

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Solution

The fourth proportional to 36,006.27, 49,688.64 and 20,090.72 is: 27,725.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,006.27 : 49,688.64 = 20,090.72 : x
  2. Step 2: Convert to fraction form
    36,006.27/49,688.64 = 20,090.72/x
  3. Step 3: Cross multiply
    36,006.27x = 49,688.64 × 20,090.72
  4. Step 4: Simplify right side
    36,006.27x = 998,280,304.98
  5. Step 5: Solve for x
    x = 998,280,304.98/36,006.27
  6. Step 6: Final answer
    x = 27,725.18

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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.