Home / 30,007.76-41,409.30-16,579.13

Finding the Fourth Proportional to 30,007.76, 41,409.30 and 16,579.13

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Solution

The fourth proportional to 30,007.76, 41,409.30 and 16,579.13 is: 22,878.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,007.76 : 41,409.30 = 16,579.13 : x
  2. Step 2: Convert to fraction form
    30,007.76/41,409.30 = 16,579.13/x
  3. Step 3: Cross multiply
    30,007.76x = 41,409.30 × 16,579.13
  4. Step 4: Simplify right side
    30,007.76x = 686,530,167.91
  5. Step 5: Solve for x
    x = 686,530,167.91/30,007.76
  6. Step 6: Final answer
    x = 22,878.42

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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.