Home / 38,448.54-57,652.26-19,720.94

Finding the Fourth Proportional to 38,448.54, 57,652.26 and 19,720.94

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Solution

The fourth proportional to 38,448.54, 57,652.26 and 19,720.94 is: 29,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,448.54 : 57,652.26 = 19,720.94 : x
  2. Step 2: Convert to fraction form
    38,448.54/57,652.26 = 19,720.94/x
  3. Step 3: Cross multiply
    38,448.54x = 57,652.26 × 19,720.94
  4. Step 4: Simplify right side
    38,448.54x = 1,136,956,760.32
  5. Step 5: Solve for x
    x = 1,136,956,760.32/38,448.54
  6. Step 6: Final answer
    x = 29,570.87

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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.