Home / 38,855.81-58,158.39-20,110.06

Finding the Fourth Proportional to 38,855.81, 58,158.39 and 20,110.06

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Solution

The fourth proportional to 38,855.81, 58,158.39 and 20,110.06 is: 30,100.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,855.81 : 58,158.39 = 20,110.06 : x
  2. Step 2: Convert to fraction form
    38,855.81/58,158.39 = 20,110.06/x
  3. Step 3: Cross multiply
    38,855.81x = 58,158.39 × 20,110.06
  4. Step 4: Simplify right side
    38,855.81x = 1,169,568,712.40
  5. Step 5: Solve for x
    x = 1,169,568,712.40/38,855.81
  6. Step 6: Final answer
    x = 30,100.23

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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.