Home / 35,112.12-52,643.58-12,922.61

Finding the Fourth Proportional to 35,112.12, 52,643.58 and 12,922.61

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Solution

The fourth proportional to 35,112.12, 52,643.58 and 12,922.61 is: 19,374.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,112.12 : 52,643.58 = 12,922.61 : x
  2. Step 2: Convert to fraction form
    35,112.12/52,643.58 = 12,922.61/x
  3. Step 3: Cross multiply
    35,112.12x = 52,643.58 × 12,922.61
  4. Step 4: Simplify right side
    35,112.12x = 680,292,453.34
  5. Step 5: Solve for x
    x = 680,292,453.34/35,112.12
  6. Step 6: Final answer
    x = 19,374.86

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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.