Home / 33,486.56-46,211.26-18,378.84

Finding the Fourth Proportional to 33,486.56, 46,211.26 and 18,378.84

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Solution

The fourth proportional to 33,486.56, 46,211.26 and 18,378.84 is: 25,362.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,486.56 : 46,211.26 = 18,378.84 : x
  2. Step 2: Convert to fraction form
    33,486.56/46,211.26 = 18,378.84/x
  3. Step 3: Cross multiply
    33,486.56x = 46,211.26 × 18,378.84
  4. Step 4: Simplify right side
    33,486.56x = 849,309,353.74
  5. Step 5: Solve for x
    x = 849,309,353.74/33,486.56
  6. Step 6: Final answer
    x = 25,362.69

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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.