Home / 30,943.29-42,701.96-16,796.14

Finding the Fourth Proportional to 30,943.29, 42,701.96 and 16,796.14

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Solution

The fourth proportional to 30,943.29, 42,701.96 and 16,796.14 is: 23,178.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,943.29 : 42,701.96 = 16,796.14 : x
  2. Step 2: Convert to fraction form
    30,943.29/42,701.96 = 16,796.14/x
  3. Step 3: Cross multiply
    30,943.29x = 42,701.96 × 16,796.14
  4. Step 4: Simplify right side
    30,943.29x = 717,228,098.43
  5. Step 5: Solve for x
    x = 717,228,098.43/30,943.29
  6. Step 6: Final answer
    x = 23,178.79

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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.