Home / 29,421.80-44,107.82-12,769.31

Finding the Fourth Proportional to 29,421.80, 44,107.82 and 12,769.31

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Solution

The fourth proportional to 29,421.80, 44,107.82 and 12,769.31 is: 19,143.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,421.80 : 44,107.82 = 12,769.31 : x
  2. Step 2: Convert to fraction form
    29,421.80/44,107.82 = 12,769.31/x
  3. Step 3: Cross multiply
    29,421.80x = 44,107.82 × 12,769.31
  4. Step 4: Simplify right side
    29,421.80x = 563,226,473.43
  5. Step 5: Solve for x
    x = 563,226,473.43/29,421.80
  6. Step 6: Final answer
    x = 19,143.17

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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.