Home / 30,072.87-41,499.98-16,644.13

Finding the Fourth Proportional to 30,072.87, 41,499.98 and 16,644.13

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Solution

The fourth proportional to 30,072.87, 41,499.98 and 16,644.13 is: 22,968.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072.87 : 41,499.98 = 16,644.13 : x
  2. Step 2: Convert to fraction form
    30,072.87/41,499.98 = 16,644.13/x
  3. Step 3: Cross multiply
    30,072.87x = 41,499.98 × 16,644.13
  4. Step 4: Simplify right side
    30,072.87x = 690,731,062.12
  5. Step 5: Solve for x
    x = 690,731,062.12/30,072.87
  6. Step 6: Final answer
    x = 22,968.58

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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.