Home / 52,003.23-78,014.94-19,979.95

Finding the Fourth Proportional to 52,003.23, 78,014.94 and 19,979.95

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Solution

The fourth proportional to 52,003.23, 78,014.94 and 19,979.95 is: 29,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,003.23 : 78,014.94 = 19,979.95 : x
  2. Step 2: Convert to fraction form
    52,003.23/78,014.94 = 19,979.95/x
  3. Step 3: Cross multiply
    52,003.23x = 78,014.94 × 19,979.95
  4. Step 4: Simplify right side
    52,003.23x = 1,558,734,600.45
  5. Step 5: Solve for x
    x = 1,558,734,600.45/52,003.23
  6. Step 6: Final answer
    x = 29,973.80

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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.