Home / 39,268.34-54,190.44-21,363.35

Finding the Fourth Proportional to 39,268.34, 54,190.44 and 21,363.35

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Solution

The fourth proportional to 39,268.34, 54,190.44 and 21,363.35 is: 29,481.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,268.34 : 54,190.44 = 21,363.35 : x
  2. Step 2: Convert to fraction form
    39,268.34/54,190.44 = 21,363.35/x
  3. Step 3: Cross multiply
    39,268.34x = 54,190.44 × 21,363.35
  4. Step 4: Simplify right side
    39,268.34x = 1,157,689,125.51
  5. Step 5: Solve for x
    x = 1,157,689,125.51/39,268.34
  6. Step 6: Final answer
    x = 29,481.49

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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.