Home / 33,280.08-49,895.52-20,129.28

Finding the Fourth Proportional to 33,280.08, 49,895.52 and 20,129.28

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Solution

The fourth proportional to 33,280.08, 49,895.52 and 20,129.28 is: 30,179.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,280.08 : 49,895.52 = 20,129.28 : x
  2. Step 2: Convert to fraction form
    33,280.08/49,895.52 = 20,129.28/x
  3. Step 3: Cross multiply
    33,280.08x = 49,895.52 × 20,129.28
  4. Step 4: Simplify right side
    33,280.08x = 1,004,360,892.83
  5. Step 5: Solve for x
    x = 1,004,360,892.83/33,280.08
  6. Step 6: Final answer
    x = 30,179.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.