Home / 39,173.66-54,060.15-21,268.97

Finding the Fourth Proportional to 39,173.66, 54,060.15 and 21,268.97

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Solution

The fourth proportional to 39,173.66, 54,060.15 and 21,268.97 is: 29,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,173.66 : 54,060.15 = 21,268.97 : x
  2. Step 2: Convert to fraction form
    39,173.66/54,060.15 = 21,268.97/x
  3. Step 3: Cross multiply
    39,173.66x = 54,060.15 × 21,268.97
  4. Step 4: Simplify right side
    39,173.66x = 1,149,803,708.55
  5. Step 5: Solve for x
    x = 1,149,803,708.55/39,173.66
  6. Step 6: Final answer
    x = 29,351.45

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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.