Home / 35,129.21-52,690.38-19,329.03

Finding the Fourth Proportional to 35,129.21, 52,690.38 and 19,329.03

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Solution

The fourth proportional to 35,129.21, 52,690.38 and 19,329.03 is: 28,991.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,129.21 : 52,690.38 = 19,329.03 : x
  2. Step 2: Convert to fraction form
    35,129.21/52,690.38 = 19,329.03/x
  3. Step 3: Cross multiply
    35,129.21x = 52,690.38 × 19,329.03
  4. Step 4: Simplify right side
    35,129.21x = 1,018,453,935.73
  5. Step 5: Solve for x
    x = 1,018,453,935.73/35,129.21
  6. Step 6: Final answer
    x = 28,991.66

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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.