Home / 80,844.91-121,267.37-30,940.30

Finding the Fourth Proportional to 80,844.91, 121,267.37 and 30,940.30

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Solution

The fourth proportional to 80,844.91, 121,267.37 and 30,940.30 is: 46,410.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,844.91 : 121,267.37 = 30,940.30 : x
  2. Step 2: Convert to fraction form
    80,844.91/121,267.37 = 30,940.30/x
  3. Step 3: Cross multiply
    80,844.91x = 121,267.37 × 30,940.30
  4. Step 4: Simplify right side
    80,844.91x = 3,752,048,808.01
  5. Step 5: Solve for x
    x = 3,752,048,808.01/80,844.91
  6. Step 6: Final answer
    x = 46,410.45

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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.