Home / 53,122.19-79,732.49-26,845.38

Finding the Fourth Proportional to 53,122.19, 79,732.49 and 26,845.38

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Solution

The fourth proportional to 53,122.19, 79,732.49 and 26,845.38 is: 40,292.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,122.19 : 79,732.49 = 26,845.38 : x
  2. Step 2: Convert to fraction form
    53,122.19/79,732.49 = 26,845.38/x
  3. Step 3: Cross multiply
    53,122.19x = 79,732.49 × 26,845.38
  4. Step 4: Simplify right side
    53,122.19x = 2,140,448,858.17
  5. Step 5: Solve for x
    x = 2,140,448,858.17/53,122.19
  6. Step 6: Final answer
    x = 40,292.94

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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.