Home / 39,938.62-55,114.99-22,034.38

Finding the Fourth Proportional to 39,938.62, 55,114.99 and 22,034.38

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Solution

The fourth proportional to 39,938.62, 55,114.99 and 22,034.38 is: 30,407.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,938.62 : 55,114.99 = 22,034.38 : x
  2. Step 2: Convert to fraction form
    39,938.62/55,114.99 = 22,034.38/x
  3. Step 3: Cross multiply
    39,938.62x = 55,114.99 × 22,034.38
  4. Step 4: Simplify right side
    39,938.62x = 1,214,424,633.36
  5. Step 5: Solve for x
    x = 1,214,424,633.36/39,938.62
  6. Step 6: Final answer
    x = 30,407.28

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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.