Home / 55,335.65-82,974.65-19,783.26

Finding the Fourth Proportional to 55,335.65, 82,974.65 and 19,783.26

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Solution

The fourth proportional to 55,335.65, 82,974.65 and 19,783.26 is: 29,664.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,335.65 : 82,974.65 = 19,783.26 : x
  2. Step 2: Convert to fraction form
    55,335.65/82,974.65 = 19,783.26/x
  3. Step 3: Cross multiply
    55,335.65x = 82,974.65 × 19,783.26
  4. Step 4: Simplify right side
    55,335.65x = 1,641,508,975.44
  5. Step 5: Solve for x
    x = 1,641,508,975.44/55,335.65
  6. Step 6: Final answer
    x = 29,664.59

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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.