Home / 54,699.55-82,063.91-19,639.51

Finding the Fourth Proportional to 54,699.55, 82,063.91 and 19,639.51

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Solution

The fourth proportional to 54,699.55, 82,063.91 and 19,639.51 is: 29,464.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,699.55 : 82,063.91 = 19,639.51 : x
  2. Step 2: Convert to fraction form
    54,699.55/82,063.91 = 19,639.51/x
  3. Step 3: Cross multiply
    54,699.55x = 82,063.91 × 19,639.51
  4. Step 4: Simplify right side
    54,699.55x = 1,611,694,981.08
  5. Step 5: Solve for x
    x = 1,611,694,981.08/54,699.55
  6. Step 6: Final answer
    x = 29,464.50

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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.