Home / 56,623.10-84,942.86-21,081.52

Finding the Fourth Proportional to 56,623.10, 84,942.86 and 21,081.52

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Solution

The fourth proportional to 56,623.10, 84,942.86 and 21,081.52 is: 31,625.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,623.10 : 84,942.86 = 21,081.52 : x
  2. Step 2: Convert to fraction form
    56,623.10/84,942.86 = 21,081.52/x
  3. Step 3: Cross multiply
    56,623.10x = 84,942.86 × 21,081.52
  4. Step 4: Simplify right side
    56,623.10x = 1,790,724,284.18
  5. Step 5: Solve for x
    x = 1,790,724,284.18/56,623.10
  6. Step 6: Final answer
    x = 31,625.33

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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.