Home / 39,071.68-53,916.78-22,077.88

Finding the Fourth Proportional to 39,071.68, 53,916.78 and 22,077.88

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Solution

The fourth proportional to 39,071.68, 53,916.78 and 22,077.88 is: 30,466.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,071.68 : 53,916.78 = 22,077.88 : x
  2. Step 2: Convert to fraction form
    39,071.68/53,916.78 = 22,077.88/x
  3. Step 3: Cross multiply
    39,071.68x = 53,916.78 × 22,077.88
  4. Step 4: Simplify right side
    39,071.68x = 1,190,368,198.83
  5. Step 5: Solve for x
    x = 1,190,368,198.83/39,071.68
  6. Step 6: Final answer
    x = 30,466.27

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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.