Home / 69,234.07-103,851.93-19,311.13

Finding the Fourth Proportional to 69,234.07, 103,851.93 and 19,311.13

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Solution

The fourth proportional to 69,234.07, 103,851.93 and 19,311.13 is: 28,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,234.07 : 103,851.93 = 19,311.13 : x
  2. Step 2: Convert to fraction form
    69,234.07/103,851.93 = 19,311.13/x
  3. Step 3: Cross multiply
    69,234.07x = 103,851.93 × 19,311.13
  4. Step 4: Simplify right side
    69,234.07x = 2,005,498,120.98
  5. Step 5: Solve for x
    x = 2,005,498,120.98/69,234.07
  6. Step 6: Final answer
    x = 28,966.93

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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.