Home / 39,072.35-53,916.63-22,078.07

Finding the Fourth Proportional to 39,072.35, 53,916.63 and 22,078.07

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Solution

The fourth proportional to 39,072.35, 53,916.63 and 22,078.07 is: 30,465.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,072.35 : 53,916.63 = 22,078.07 : x
  2. Step 2: Convert to fraction form
    39,072.35/53,916.63 = 22,078.07/x
  3. Step 3: Cross multiply
    39,072.35x = 53,916.63 × 22,078.07
  4. Step 4: Simplify right side
    39,072.35x = 1,190,375,131.30
  5. Step 5: Solve for x
    x = 1,190,375,131.30/39,072.35
  6. Step 6: Final answer
    x = 30,465.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.