Home / 23,619.75-35,478.83-19,929.21

Finding the Fourth Proportional to 23,619.75, 35,478.83 and 19,929.21

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Solution

The fourth proportional to 23,619.75, 35,478.83 and 19,929.21 is: 29,935.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,619.75 : 35,478.83 = 19,929.21 : x
  2. Step 2: Convert to fraction form
    23,619.75/35,478.83 = 19,929.21/x
  3. Step 3: Cross multiply
    23,619.75x = 35,478.83 × 19,929.21
  4. Step 4: Simplify right side
    23,619.75x = 707,065,053.62
  5. Step 5: Solve for x
    x = 707,065,053.62/23,619.75
  6. Step 6: Final answer
    x = 29,935.33

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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.