Home / 30,996.29-42,774.68-16,849.13

Finding the Fourth Proportional to 30,996.29, 42,774.68 and 16,849.13

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Solution

The fourth proportional to 30,996.29, 42,774.68 and 16,849.13 is: 23,251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,996.29 : 42,774.68 = 16,849.13 : x
  2. Step 2: Convert to fraction form
    30,996.29/42,774.68 = 16,849.13/x
  3. Step 3: Cross multiply
    30,996.29x = 42,774.68 × 16,849.13
  4. Step 4: Simplify right side
    30,996.29x = 720,715,845.91
  5. Step 5: Solve for x
    x = 720,715,845.91/30,996.29
  6. Step 6: Final answer
    x = 23,251.68

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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.