Home / 36,050-49,748.48-20,134.68

Finding the Fourth Proportional to 36,050, 49,748.48 and 20,134.68

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Solution

The fourth proportional to 36,050, 49,748.48 and 20,134.68 is: 27,785.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,050 : 49,748.48 = 20,134.68 : x
  2. Step 2: Convert to fraction form
    36,050/49,748.48 = 20,134.68/x
  3. Step 3: Cross multiply
    36,050x = 49,748.48 × 20,134.68
  4. Step 4: Simplify right side
    36,050x = 1,001,669,725.29
  5. Step 5: Solve for x
    x = 1,001,669,725.29/36,050
  6. Step 6: Final answer
    x = 27,785.57

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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.