Home / 69,907.04-104,853.20-19,983.84

Finding the Fourth Proportional to 69,907.04, 104,853.20 and 19,983.84

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Solution

The fourth proportional to 69,907.04, 104,853.20 and 19,983.84 is: 29,973.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,907.04 : 104,853.20 = 19,983.84 : x
  2. Step 2: Convert to fraction form
    69,907.04/104,853.20 = 19,983.84/x
  3. Step 3: Cross multiply
    69,907.04x = 104,853.20 × 19,983.84
  4. Step 4: Simplify right side
    69,907.04x = 2,095,369,572.29
  5. Step 5: Solve for x
    x = 2,095,369,572.29/69,907.04
  6. Step 6: Final answer
    x = 29,973.66

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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.