Home / 38,448.04-57,651.51-19,720.44

Finding the Fourth Proportional to 38,448.04, 57,651.51 and 19,720.44

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Solution

The fourth proportional to 38,448.04, 57,651.51 and 19,720.44 is: 29,570.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,448.04 : 57,651.51 = 19,720.44 : x
  2. Step 2: Convert to fraction form
    38,448.04/57,651.51 = 19,720.44/x
  3. Step 3: Cross multiply
    38,448.04x = 57,651.51 × 19,720.44
  4. Step 4: Simplify right side
    38,448.04x = 1,136,913,143.86
  5. Step 5: Solve for x
    x = 1,136,913,143.86/38,448.04
  6. Step 6: Final answer
    x = 29,570.12

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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.