Home / 39,072.44-53,916.76-22,078.16

Finding the Fourth Proportional to 39,072.44, 53,916.76 and 22,078.16

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Solution

The fourth proportional to 39,072.44, 53,916.76 and 22,078.16 is: 30,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,072.44 : 53,916.76 = 22,078.16 : x
  2. Step 2: Convert to fraction form
    39,072.44/53,916.76 = 22,078.16/x
  3. Step 3: Cross multiply
    39,072.44x = 53,916.76 × 22,078.16
  4. Step 4: Simplify right side
    39,072.44x = 1,190,382,853.96
  5. Step 5: Solve for x
    x = 1,190,382,853.96/39,072.44
  6. Step 6: Final answer
    x = 30,466.05

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1.5x scale

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.