Home / 39,239.40-54,150.48-21,334.44

Finding the Fourth Proportional to 39,239.40, 54,150.48 and 21,334.44

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Solution

The fourth proportional to 39,239.40, 54,150.48 and 21,334.44 is: 29,441.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,239.40 : 54,150.48 = 21,334.44 : x
  2. Step 2: Convert to fraction form
    39,239.40/54,150.48 = 21,334.44/x
  3. Step 3: Cross multiply
    39,239.40x = 54,150.48 × 21,334.44
  4. Step 4: Simplify right side
    39,239.40x = 1,155,270,166.53
  5. Step 5: Solve for x
    x = 1,155,270,166.53/39,239.40
  6. Step 6: Final answer
    x = 29,441.59

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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.