Home / 39,753.37-54,860.81-21,849.53

Finding the Fourth Proportional to 39,753.37, 54,860.81 and 21,849.53

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Solution

The fourth proportional to 39,753.37, 54,860.81 and 21,849.53 is: 30,152.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,753.37 : 54,860.81 = 21,849.53 : x
  2. Step 2: Convert to fraction form
    39,753.37/54,860.81 = 21,849.53/x
  3. Step 3: Cross multiply
    39,753.37x = 54,860.81 × 21,849.53
  4. Step 4: Simplify right side
    39,753.37x = 1,198,683,101.13
  5. Step 5: Solve for x
    x = 1,198,683,101.13/39,753.37
  6. Step 6: Final answer
    x = 30,152.99

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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.