Home / 33,072.74-45,641.21-18,168.74

Finding the Fourth Proportional to 33,072.74, 45,641.21 and 18,168.74

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Solution

The fourth proportional to 33,072.74, 45,641.21 and 18,168.74 is: 25,073.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,072.74 : 45,641.21 = 18,168.74 : x
  2. Step 2: Convert to fraction form
    33,072.74/45,641.21 = 18,168.74/x
  3. Step 3: Cross multiply
    33,072.74x = 45,641.21 × 18,168.74
  4. Step 4: Simplify right side
    33,072.74x = 829,243,277.78
  5. Step 5: Solve for x
    x = 829,243,277.78/33,072.74
  6. Step 6: Final answer
    x = 25,073.32

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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.