Home / 52,669.20-78,995.97-19,381.47

Finding the Fourth Proportional to 52,669.20, 78,995.97 and 19,381.47

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Solution

The fourth proportional to 52,669.20, 78,995.97 and 19,381.47 is: 29,069.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,669.20 : 78,995.97 = 19,381.47 : x
  2. Step 2: Convert to fraction form
    52,669.20/78,995.97 = 19,381.47/x
  3. Step 3: Cross multiply
    52,669.20x = 78,995.97 × 19,381.47
  4. Step 4: Simplify right side
    52,669.20x = 1,531,058,022.68
  5. Step 5: Solve for x
    x = 1,531,058,022.68/52,669.20
  6. Step 6: Final answer
    x = 29,069.32

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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.