Home / 39,268.06-54,181.35-22,268.45

Finding the Fourth Proportional to 39,268.06, 54,181.35 and 22,268.45

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Solution

The fourth proportional to 39,268.06, 54,181.35 and 22,268.45 is: 30,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,268.06 : 54,181.35 = 22,268.45 : x
  2. Step 2: Convert to fraction form
    39,268.06/54,181.35 = 22,268.45/x
  3. Step 3: Cross multiply
    39,268.06x = 54,181.35 × 22,268.45
  4. Step 4: Simplify right side
    39,268.06x = 1,206,534,818.86
  5. Step 5: Solve for x
    x = 1,206,534,818.86/39,268.06
  6. Step 6: Final answer
    x = 30,725.60

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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.