Home / 54,056.75-81,064.47-25,968.80

Finding the Fourth Proportional to 54,056.75, 81,064.47 and 25,968.80

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Solution

The fourth proportional to 54,056.75, 81,064.47 and 25,968.80 is: 38,943.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,056.75 : 81,064.47 = 25,968.80 : x
  2. Step 2: Convert to fraction form
    54,056.75/81,064.47 = 25,968.80/x
  3. Step 3: Cross multiply
    54,056.75x = 81,064.47 × 25,968.80
  4. Step 4: Simplify right side
    54,056.75x = 2,105,147,008.54
  5. Step 5: Solve for x
    x = 2,105,147,008.54/54,056.75
  6. Step 6: Final answer
    x = 38,943.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.