Home / 55,447.41-83,115.69-19,899.07

Finding the Fourth Proportional to 55,447.41, 83,115.69 and 19,899.07

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Solution

The fourth proportional to 55,447.41, 83,115.69 and 19,899.07 is: 29,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,447.41 : 83,115.69 = 19,899.07 : x
  2. Step 2: Convert to fraction form
    55,447.41/83,115.69 = 19,899.07/x
  3. Step 3: Cross multiply
    55,447.41x = 83,115.69 × 19,899.07
  4. Step 4: Simplify right side
    55,447.41x = 1,653,924,933.41
  5. Step 5: Solve for x
    x = 1,653,924,933.41/55,447.41
  6. Step 6: Final answer
    x = 29,828.71

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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.