Home / 30,943.33-42,701.83-16,796.17

Finding the Fourth Proportional to 30,943.33, 42,701.83 and 16,796.17

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Solution

The fourth proportional to 30,943.33, 42,701.83 and 16,796.17 is: 23,178.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,943.33 : 42,701.83 = 16,796.17 : x
  2. Step 2: Convert to fraction form
    30,943.33/42,701.83 = 16,796.17/x
  3. Step 3: Cross multiply
    30,943.33x = 42,701.83 × 16,796.17
  4. Step 4: Simplify right side
    30,943.33x = 717,227,195.99
  5. Step 5: Solve for x
    x = 717,227,195.99/30,943.33
  6. Step 6: Final answer
    x = 23,178.73

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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.