Home / 33,085.27-45,659.72-18,937.79

Finding the Fourth Proportional to 33,085.27, 45,659.72 and 18,937.79

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Solution

The fourth proportional to 33,085.27, 45,659.72 and 18,937.79 is: 26,135.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,085.27 : 45,659.72 = 18,937.79 : x
  2. Step 2: Convert to fraction form
    33,085.27/45,659.72 = 18,937.79/x
  3. Step 3: Cross multiply
    33,085.27x = 45,659.72 × 18,937.79
  4. Step 4: Simplify right side
    33,085.27x = 864,694,094.13
  5. Step 5: Solve for x
    x = 864,694,094.13/33,085.27
  6. Step 6: Final answer
    x = 26,135.32

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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.