Home / 55,021.86-82,532.79-15,579.32

Finding the Fourth Proportional to 55,021.86, 82,532.79 and 15,579.32

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Solution

The fourth proportional to 55,021.86, 82,532.79 and 15,579.32 is: 23,368.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,021.86 : 82,532.79 = 15,579.32 : x
  2. Step 2: Convert to fraction form
    55,021.86/82,532.79 = 15,579.32/x
  3. Step 3: Cross multiply
    55,021.86x = 82,532.79 × 15,579.32
  4. Step 4: Simplify right side
    55,021.86x = 1,285,804,333.24
  5. Step 5: Solve for x
    x = 1,285,804,333.24/55,021.86
  6. Step 6: Final answer
    x = 23,368.97

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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.