Home / 39,241.06-54,150.32-21,335.94

Finding the Fourth Proportional to 39,241.06, 54,150.32 and 21,335.94

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Solution

The fourth proportional to 39,241.06, 54,150.32 and 21,335.94 is: 29,442.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,241.06 : 54,150.32 = 21,335.94 : x
  2. Step 2: Convert to fraction form
    39,241.06/54,150.32 = 21,335.94/x
  3. Step 3: Cross multiply
    39,241.06x = 54,150.32 × 21,335.94
  4. Step 4: Simplify right side
    39,241.06x = 1,155,348,031.84
  5. Step 5: Solve for x
    x = 1,155,348,031.84/39,241.06
  6. Step 6: Final answer
    x = 29,442.33

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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.