Home / 52,666.19-78,991.49-19,378.47

Finding the Fourth Proportional to 52,666.19, 78,991.49 and 19,378.47

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Solution

The fourth proportional to 52,666.19, 78,991.49 and 19,378.47 is: 29,064.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,666.19 : 78,991.49 = 19,378.47 : x
  2. Step 2: Convert to fraction form
    52,666.19/78,991.49 = 19,378.47/x
  3. Step 3: Cross multiply
    52,666.19x = 78,991.49 × 19,378.47
  4. Step 4: Simplify right side
    52,666.19x = 1,530,734,122.33
  5. Step 5: Solve for x
    x = 1,530,734,122.33/52,666.19
  6. Step 6: Final answer
    x = 29,064.84

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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.