Home / 33,433.85-46,138.29-18,120.07

Finding the Fourth Proportional to 33,433.85, 46,138.29 and 18,120.07

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Solution

The fourth proportional to 33,433.85, 46,138.29 and 18,120.07 is: 25,005.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,433.85 : 46,138.29 = 18,120.07 : x
  2. Step 2: Convert to fraction form
    33,433.85/46,138.29 = 18,120.07/x
  3. Step 3: Cross multiply
    33,433.85x = 46,138.29 × 18,120.07
  4. Step 4: Simplify right side
    33,433.85x = 836,029,044.48
  5. Step 5: Solve for x
    x = 836,029,044.48/33,433.85
  6. Step 6: Final answer
    x = 25,005.47

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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.