Home / 30,072.66-41,498.55-16,643.11

Finding the Fourth Proportional to 30,072.66, 41,498.55 and 16,643.11

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Solution

The fourth proportional to 30,072.66, 41,498.55 and 16,643.11 is: 22,966.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072.66 : 41,498.55 = 16,643.11 : x
  2. Step 2: Convert to fraction form
    30,072.66/41,498.55 = 16,643.11/x
  3. Step 3: Cross multiply
    30,072.66x = 41,498.55 × 16,643.11
  4. Step 4: Simplify right side
    30,072.66x = 690,664,932.49
  5. Step 5: Solve for x
    x = 690,664,932.49/30,072.66
  6. Step 6: Final answer
    x = 22,966.54

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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.