Home / 30,996.92-42,776.01-16,849.76

Finding the Fourth Proportional to 30,996.92, 42,776.01 and 16,849.76

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Solution

The fourth proportional to 30,996.92, 42,776.01 and 16,849.76 is: 23,252.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,996.92 : 42,776.01 = 16,849.76 : x
  2. Step 2: Convert to fraction form
    30,996.92/42,776.01 = 16,849.76/x
  3. Step 3: Cross multiply
    30,996.92x = 42,776.01 × 16,849.76
  4. Step 4: Simplify right side
    30,996.92x = 720,765,502.26
  5. Step 5: Solve for x
    x = 720,765,502.26/30,996.92
  6. Step 6: Final answer
    x = 23,252.81

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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.