Home / 67,226.16-100,815.72-19,828.67

Finding the Fourth Proportional to 67,226.16, 100,815.72 and 19,828.67

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Solution

The fourth proportional to 67,226.16, 100,815.72 and 19,828.67 is: 29,736.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,226.16 : 100,815.72 = 19,828.67 : x
  2. Step 2: Convert to fraction form
    67,226.16/100,815.72 = 19,828.67/x
  3. Step 3: Cross multiply
    67,226.16x = 100,815.72 × 19,828.67
  4. Step 4: Simplify right side
    67,226.16x = 1,999,041,642.69
  5. Step 5: Solve for x
    x = 1,999,041,642.69/67,226.16
  6. Step 6: Final answer
    x = 29,736.07

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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.