Home / 35,117.26-52,541.11-20,131.56

Finding the Fourth Proportional to 35,117.26, 52,541.11 and 20,131.56

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Solution

The fourth proportional to 35,117.26, 52,541.11 and 20,131.56 is: 30,120.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,117.26 : 52,541.11 = 20,131.56 : x
  2. Step 2: Convert to fraction form
    35,117.26/52,541.11 = 20,131.56/x
  3. Step 3: Cross multiply
    35,117.26x = 52,541.11 × 20,131.56
  4. Step 4: Simplify right side
    35,117.26x = 1,057,734,407.77
  5. Step 5: Solve for x
    x = 1,057,734,407.77/35,117.26
  6. Step 6: Final answer
    x = 30,120.08

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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.