Home / 33,728.88-46,545.36-18,621.72

Finding the Fourth Proportional to 33,728.88, 46,545.36 and 18,621.72

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Solution

The fourth proportional to 33,728.88, 46,545.36 and 18,621.72 is: 25,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,728.88 : 46,545.36 = 18,621.72 : x
  2. Step 2: Convert to fraction form
    33,728.88/46,545.36 = 18,621.72/x
  3. Step 3: Cross multiply
    33,728.88x = 46,545.36 × 18,621.72
  4. Step 4: Simplify right side
    33,728.88x = 866,754,661.22
  5. Step 5: Solve for x
    x = 866,754,661.22/33,728.88
  6. Step 6: Final answer
    x = 25,697.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.