Home / 39,505.68-54,531.56-22,745.36

Finding the Fourth Proportional to 39,505.68, 54,531.56 and 22,745.36

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Solution

The fourth proportional to 39,505.68, 54,531.56 and 22,745.36 is: 31,396.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,505.68 : 54,531.56 = 22,745.36 : x
  2. Step 2: Convert to fraction form
    39,505.68/54,531.56 = 22,745.36/x
  3. Step 3: Cross multiply
    39,505.68x = 54,531.56 × 22,745.36
  4. Step 4: Simplify right side
    39,505.68x = 1,240,339,963.56
  5. Step 5: Solve for x
    x = 1,240,339,963.56/39,505.68
  6. Step 6: Final answer
    x = 31,396.50

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1.5x scale

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.