Home / 35,329.98-48,755.22-20,222.57

Finding the Fourth Proportional to 35,329.98, 48,755.22 and 20,222.57

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Solution

The fourth proportional to 35,329.98, 48,755.22 and 20,222.57 is: 27,907.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,329.98 : 48,755.22 = 20,222.57 : x
  2. Step 2: Convert to fraction form
    35,329.98/48,755.22 = 20,222.57/x
  3. Step 3: Cross multiply
    35,329.98x = 48,755.22 × 20,222.57
  4. Step 4: Simplify right side
    35,329.98x = 985,955,605.54
  5. Step 5: Solve for x
    x = 985,955,605.54/35,329.98
  6. Step 6: Final answer
    x = 27,907.05

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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.