Home / 36,005.37-49,689.81-20,090.16

Finding the Fourth Proportional to 36,005.37, 49,689.81 and 20,090.16

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Solution

The fourth proportional to 36,005.37, 49,689.81 and 20,090.16 is: 27,725.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,005.37 : 49,689.81 = 20,090.16 : x
  2. Step 2: Convert to fraction form
    36,005.37/49,689.81 = 20,090.16/x
  3. Step 3: Cross multiply
    36,005.37x = 49,689.81 × 20,090.16
  4. Step 4: Simplify right side
    36,005.37x = 998,276,233.27
  5. Step 5: Solve for x
    x = 998,276,233.27/36,005.37
  6. Step 6: Final answer
    x = 27,725.76

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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.