Home / 53,072.94-79,584.81-19,784.07

Finding the Fourth Proportional to 53,072.94, 79,584.81 and 19,784.07

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Solution

The fourth proportional to 53,072.94, 79,584.81 and 19,784.07 is: 29,666.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,072.94 : 79,584.81 = 19,784.07 : x
  2. Step 2: Convert to fraction form
    53,072.94/79,584.81 = 19,784.07/x
  3. Step 3: Cross multiply
    53,072.94x = 79,584.81 × 19,784.07
  4. Step 4: Simplify right side
    53,072.94x = 1,574,511,451.98
  5. Step 5: Solve for x
    x = 1,574,511,451.98/53,072.94
  6. Step 6: Final answer
    x = 29,666.93

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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.