Home / 52,194.72-78,314.04-21,022.32

Finding the Fourth Proportional to 52,194.72, 78,314.04 and 21,022.32

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Solution

The fourth proportional to 52,194.72, 78,314.04 and 21,022.32 is: 31,542.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,194.72 : 78,314.04 = 21,022.32 : x
  2. Step 2: Convert to fraction form
    52,194.72/78,314.04 = 21,022.32/x
  3. Step 3: Cross multiply
    52,194.72x = 78,314.04 × 21,022.32
  4. Step 4: Simplify right side
    52,194.72x = 1,646,342,809.37
  5. Step 5: Solve for x
    x = 1,646,342,809.37/52,194.72
  6. Step 6: Final answer
    x = 31,542.32

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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.