Home / 69,366.30-104,049.45-30,000.30

Finding the Fourth Proportional to 69,366.30, 104,049.45 and 30,000.30

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Solution

The fourth proportional to 69,366.30, 104,049.45 and 30,000.30 is: 45,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,366.30 : 104,049.45 = 30,000.30 : x
  2. Step 2: Convert to fraction form
    69,366.30/104,049.45 = 30,000.30/x
  3. Step 3: Cross multiply
    69,366.30x = 104,049.45 × 30,000.30
  4. Step 4: Simplify right side
    69,366.30x = 3,121,514,714.84
  5. Step 5: Solve for x
    x = 3,121,514,714.84/69,366.30
  6. Step 6: Final answer
    x = 45,000.45

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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.