Home / 55,039.12-75,954-29,888.62

Finding the Fourth Proportional to 55,039.12, 75,954 and 29,888.62

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Solution

The fourth proportional to 55,039.12, 75,954 and 29,888.62 is: 41,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,039.12 : 75,954 = 29,888.62 : x
  2. Step 2: Convert to fraction form
    55,039.12/75,954 = 29,888.62/x
  3. Step 3: Cross multiply
    55,039.12x = 75,954 × 29,888.62
  4. Step 4: Simplify right side
    55,039.12x = 2,270,160,243.48
  5. Step 5: Solve for x
    x = 2,270,160,243.48/55,039.12
  6. Step 6: Final answer
    x = 41,246.30

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Why These Related Problems?

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