Home / 38,135.77-57,219.99-18,429.01

Finding the Fourth Proportional to 38,135.77, 57,219.99 and 18,429.01

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Solution

The fourth proportional to 38,135.77, 57,219.99 and 18,429.01 is: 27,651.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,135.77 : 57,219.99 = 18,429.01 : x
  2. Step 2: Convert to fraction form
    38,135.77/57,219.99 = 18,429.01/x
  3. Step 3: Cross multiply
    38,135.77x = 57,219.99 × 18,429.01
  4. Step 4: Simplify right side
    38,135.77x = 1,054,507,767.91
  5. Step 5: Solve for x
    x = 1,054,507,767.91/38,135.77
  6. Step 6: Final answer
    x = 27,651.41

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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.