Home / 38,785.39-58,183.55-13,820.08

Finding the Fourth Proportional to 38,785.39, 58,183.55 and 13,820.08

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Solution

The fourth proportional to 38,785.39, 58,183.55 and 13,820.08 is: 20,732.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,785.39 : 58,183.55 = 13,820.08 : x
  2. Step 2: Convert to fraction form
    38,785.39/58,183.55 = 13,820.08/x
  3. Step 3: Cross multiply
    38,785.39x = 58,183.55 × 13,820.08
  4. Step 4: Simplify right side
    38,785.39x = 804,101,315.68
  5. Step 5: Solve for x
    x = 804,101,315.68/38,785.39
  6. Step 6: Final answer
    x = 20,732.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.