Home / 38,451.06-57,656-19,723.44

Finding the Fourth Proportional to 38,451.06, 57,656 and 19,723.44

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Solution

The fourth proportional to 38,451.06, 57,656 and 19,723.44 is: 29,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,451.06 : 57,656 = 19,723.44 : x
  2. Step 2: Convert to fraction form
    38,451.06/57,656 = 19,723.44/x
  3. Step 3: Cross multiply
    38,451.06x = 57,656 × 19,723.44
  4. Step 4: Simplify right side
    38,451.06x = 1,137,174,656.64
  5. Step 5: Solve for x
    x = 1,137,174,656.64/38,451.06
  6. Step 6: Final answer
    x = 29,574.60

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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.