Home / 38,088.82-57,154.83-20,558.26

Finding the Fourth Proportional to 38,088.82, 57,154.83 and 20,558.26

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Solution

The fourth proportional to 38,088.82, 57,154.83 and 20,558.26 is: 30,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,088.82 : 57,154.83 = 20,558.26 : x
  2. Step 2: Convert to fraction form
    38,088.82/57,154.83 = 20,558.26/x
  3. Step 3: Cross multiply
    38,088.82x = 57,154.83 × 20,558.26
  4. Step 4: Simplify right side
    38,088.82x = 1,175,003,855.40
  5. Step 5: Solve for x
    x = 1,175,003,855.40/38,088.82
  6. Step 6: Final answer
    x = 30,849.05

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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.