Home / 39,066.09-53,911.18-21,161.05

Finding the Fourth Proportional to 39,066.09, 53,911.18 and 21,161.05

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Solution

The fourth proportional to 39,066.09, 53,911.18 and 21,161.05 is: 29,202.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,066.09 : 53,911.18 = 21,161.05 : x
  2. Step 2: Convert to fraction form
    39,066.09/53,911.18 = 21,161.05/x
  3. Step 3: Cross multiply
    39,066.09x = 53,911.18 × 21,161.05
  4. Step 4: Simplify right side
    39,066.09x = 1,140,817,175.54
  5. Step 5: Solve for x
    x = 1,140,817,175.54/39,066.09
  6. Step 6: Final answer
    x = 29,202.24

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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.