Home / 33,285.24-45,934-18,178.35

Finding the Fourth Proportional to 33,285.24, 45,934 and 18,178.35

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Solution

The fourth proportional to 33,285.24, 45,934 and 18,178.35 is: 25,086.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,285.24 : 45,934 = 18,178.35 : x
  2. Step 2: Convert to fraction form
    33,285.24/45,934 = 18,178.35/x
  3. Step 3: Cross multiply
    33,285.24x = 45,934 × 18,178.35
  4. Step 4: Simplify right side
    33,285.24x = 835,004,328.90
  5. Step 5: Solve for x
    x = 835,004,328.90/33,285.24
  6. Step 6: Final answer
    x = 25,086.32

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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.