Home / 39,072.01-53,919.33-21,167.47

Finding the Fourth Proportional to 39,072.01, 53,919.33 and 21,167.47

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Solution

The fourth proportional to 39,072.01, 53,919.33 and 21,167.47 is: 29,211.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,072.01 : 53,919.33 = 21,167.47 : x
  2. Step 2: Convert to fraction form
    39,072.01/53,919.33 = 21,167.47/x
  3. Step 3: Cross multiply
    39,072.01x = 53,919.33 × 21,167.47
  4. Step 4: Simplify right side
    39,072.01x = 1,141,335,800.20
  5. Step 5: Solve for x
    x = 1,141,335,800.20/39,072.01
  6. Step 6: Final answer
    x = 29,211.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.