Home / 69,479.12-104,247.84-30,015.92

Finding the Fourth Proportional to 69,479.12, 104,247.84 and 30,015.92

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Solution

The fourth proportional to 69,479.12, 104,247.84 and 30,015.92 is: 45,036.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,479.12 : 104,247.84 = 30,015.92 : x
  2. Step 2: Convert to fraction form
    69,479.12/104,247.84 = 30,015.92/x
  3. Step 3: Cross multiply
    69,479.12x = 104,247.84 × 30,015.92
  4. Step 4: Simplify right side
    69,479.12x = 3,129,094,825.61
  5. Step 5: Solve for x
    x = 3,129,094,825.61/69,479.12
  6. Step 6: Final answer
    x = 45,036.48

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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.