Home / 36,018.64-49,704.28-20,102.68

Finding the Fourth Proportional to 36,018.64, 49,704.28 and 20,102.68

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Solution

The fourth proportional to 36,018.64, 49,704.28 and 20,102.68 is: 27,740.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,018.64 : 49,704.28 = 20,102.68 : x
  2. Step 2: Convert to fraction form
    36,018.64/49,704.28 = 20,102.68/x
  3. Step 3: Cross multiply
    36,018.64x = 49,704.28 × 20,102.68
  4. Step 4: Simplify right side
    36,018.64x = 999,189,235.47
  5. Step 5: Solve for x
    x = 999,189,235.47/36,018.64
  6. Step 6: Final answer
    x = 27,740.89

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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.