Home / 39,810.29-54,919.82-25,667.69

Finding the Fourth Proportional to 39,810.29, 54,919.82 and 25,667.69

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Solution

The fourth proportional to 39,810.29, 54,919.82 and 25,667.69 is: 35,409.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,810.29 : 54,919.82 = 25,667.69 : x
  2. Step 2: Convert to fraction form
    39,810.29/54,919.82 = 25,667.69/x
  3. Step 3: Cross multiply
    39,810.29x = 54,919.82 × 25,667.69
  4. Step 4: Simplify right side
    39,810.29x = 1,409,664,704.19
  5. Step 5: Solve for x
    x = 1,409,664,704.19/39,810.29
  6. Step 6: Final answer
    x = 35,409.56

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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.