Home / 53,087.06-79,642.91-18,026.75

Finding the Fourth Proportional to 53,087.06, 79,642.91 and 18,026.75

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Solution

The fourth proportional to 53,087.06, 79,642.91 and 18,026.75 is: 27,044.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,087.06 : 79,642.91 = 18,026.75 : x
  2. Step 2: Convert to fraction form
    53,087.06/79,642.91 = 18,026.75/x
  3. Step 3: Cross multiply
    53,087.06x = 79,642.91 × 18,026.75
  4. Step 4: Simplify right side
    53,087.06x = 1,435,703,072.02
  5. Step 5: Solve for x
    x = 1,435,703,072.02/53,087.06
  6. Step 6: Final answer
    x = 27,044.31

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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.