Home / 72,024.26-108,036.39-19,433.75

Finding the Fourth Proportional to 72,024.26, 108,036.39 and 19,433.75

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Solution

The fourth proportional to 72,024.26, 108,036.39 and 19,433.75 is: 29,150.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,024.26 : 108,036.39 = 19,433.75 : x
  2. Step 2: Convert to fraction form
    72,024.26/108,036.39 = 19,433.75/x
  3. Step 3: Cross multiply
    72,024.26x = 108,036.39 × 19,433.75
  4. Step 4: Simplify right side
    72,024.26x = 2,099,551,653.98
  5. Step 5: Solve for x
    x = 2,099,551,653.98/72,024.26
  6. Step 6: Final answer
    x = 29,150.62

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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.