Home / 33,207.72-45,825.84-18,100.80

Finding the Fourth Proportional to 33,207.72, 45,825.84 and 18,100.80

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Solution

The fourth proportional to 33,207.72, 45,825.84 and 18,100.80 is: 24,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,207.72 : 45,825.84 = 18,100.80 : x
  2. Step 2: Convert to fraction form
    33,207.72/45,825.84 = 18,100.80/x
  3. Step 3: Cross multiply
    33,207.72x = 45,825.84 × 18,100.80
  4. Step 4: Simplify right side
    33,207.72x = 829,484,364.67
  5. Step 5: Solve for x
    x = 829,484,364.67/33,207.72
  6. Step 6: Final answer
    x = 24,978.66

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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.