Home / 33,061.51-45,627.72-18,723.86

Finding the Fourth Proportional to 33,061.51, 45,627.72 and 18,723.86

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Solution

The fourth proportional to 33,061.51, 45,627.72 and 18,723.86 is: 25,840.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,061.51 : 45,627.72 = 18,723.86 : x
  2. Step 2: Convert to fraction form
    33,061.51/45,627.72 = 18,723.86/x
  3. Step 3: Cross multiply
    33,061.51x = 45,627.72 × 18,723.86
  4. Step 4: Simplify right side
    33,061.51x = 854,326,914.15
  5. Step 5: Solve for x
    x = 854,326,914.15/33,061.51
  6. Step 6: Final answer
    x = 25,840.53

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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.