Home / 39,824.29-54,939.12-25,681.69

Finding the Fourth Proportional to 39,824.29, 54,939.12 and 25,681.69

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Solution

The fourth proportional to 39,824.29, 54,939.12 and 25,681.69 is: 35,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,824.29 : 54,939.12 = 25,681.69 : x
  2. Step 2: Convert to fraction form
    39,824.29/54,939.12 = 25,681.69/x
  3. Step 3: Cross multiply
    39,824.29x = 54,939.12 × 25,681.69
  4. Step 4: Simplify right side
    39,824.29x = 1,410,929,174.02
  5. Step 5: Solve for x
    x = 1,410,929,174.02/39,824.29
  6. Step 6: Final answer
    x = 35,428.86

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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.