Home / 39,172.41-54,056.43-21,266.96

Finding the Fourth Proportional to 39,172.41, 54,056.43 and 21,266.96

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Solution

The fourth proportional to 39,172.41, 54,056.43 and 21,266.96 is: 29,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,172.41 : 54,056.43 = 21,266.96 : x
  2. Step 2: Convert to fraction form
    39,172.41/54,056.43 = 21,266.96/x
  3. Step 3: Cross multiply
    39,172.41x = 54,056.43 × 21,266.96
  4. Step 4: Simplify right side
    39,172.41x = 1,149,615,664.27
  5. Step 5: Solve for x
    x = 1,149,615,664.27/39,172.41
  6. Step 6: Final answer
    x = 29,347.59

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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.