Home / 39,241.44-54,152.55-21,336.28

Finding the Fourth Proportional to 39,241.44, 54,152.55 and 21,336.28

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Solution

The fourth proportional to 39,241.44, 54,152.55 and 21,336.28 is: 29,443.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,241.44 : 54,152.55 = 21,336.28 : x
  2. Step 2: Convert to fraction form
    39,241.44/54,152.55 = 21,336.28/x
  3. Step 3: Cross multiply
    39,241.44x = 54,152.55 × 21,336.28
  4. Step 4: Simplify right side
    39,241.44x = 1,155,413,969.51
  5. Step 5: Solve for x
    x = 1,155,413,969.51/39,241.44
  6. Step 6: Final answer
    x = 29,443.72

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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.