Home / 39,812.84-54,954.02-25,665.64

Finding the Fourth Proportional to 39,812.84, 54,954.02 and 25,665.64

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Solution

The fourth proportional to 39,812.84, 54,954.02 and 25,665.64 is: 35,426.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,812.84 : 54,954.02 = 25,665.64 : x
  2. Step 2: Convert to fraction form
    39,812.84/54,954.02 = 25,665.64/x
  3. Step 3: Cross multiply
    39,812.84x = 54,954.02 × 25,665.64
  4. Step 4: Simplify right side
    39,812.84x = 1,410,430,093.87
  5. Step 5: Solve for x
    x = 1,410,430,093.87/39,812.84
  6. Step 6: Final answer
    x = 35,426.51

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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.