Home / 30,008.20-41,411.75-16,579.77

Finding the Fourth Proportional to 30,008.20, 41,411.75 and 16,579.77

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Solution

The fourth proportional to 30,008.20, 41,411.75 and 16,579.77 is: 22,880.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,008.20 : 41,411.75 = 16,579.77 : x
  2. Step 2: Convert to fraction form
    30,008.20/41,411.75 = 16,579.77/x
  3. Step 3: Cross multiply
    30,008.20x = 41,411.75 × 16,579.77
  4. Step 4: Simplify right side
    30,008.20x = 686,597,290.30
  5. Step 5: Solve for x
    x = 686,597,290.30/30,008.20
  6. Step 6: Final answer
    x = 22,880.32

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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.