Home / 35,146.42-52,720.23-12,948.37

Finding the Fourth Proportional to 35,146.42, 52,720.23 and 12,948.37

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Solution

The fourth proportional to 35,146.42, 52,720.23 and 12,948.37 is: 19,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,146.42 : 52,720.23 = 12,948.37 : x
  2. Step 2: Convert to fraction form
    35,146.42/52,720.23 = 12,948.37/x
  3. Step 3: Cross multiply
    35,146.42x = 52,720.23 × 12,948.37
  4. Step 4: Simplify right side
    35,146.42x = 682,640,961.28
  5. Step 5: Solve for x
    x = 682,640,961.28/35,146.42
  6. Step 6: Final answer
    x = 19,422.78

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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.