Home / 33,436.49-46,163.34-21,520.53

Finding the Fourth Proportional to 33,436.49, 46,163.34 and 21,520.53

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Solution

The fourth proportional to 33,436.49, 46,163.34 and 21,520.53 is: 29,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,436.49 : 46,163.34 = 21,520.53 : x
  2. Step 2: Convert to fraction form
    33,436.49/46,163.34 = 21,520.53/x
  3. Step 3: Cross multiply
    33,436.49x = 46,163.34 × 21,520.53
  4. Step 4: Simplify right side
    33,436.49x = 993,459,543.37
  5. Step 5: Solve for x
    x = 993,459,543.37/33,436.49
  6. Step 6: Final answer
    x = 29,711.84

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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.