Home / 35,111.87-52,643.19-12,922.36

Finding the Fourth Proportional to 35,111.87, 52,643.19 and 12,922.36

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Solution

The fourth proportional to 35,111.87, 52,643.19 and 12,922.36 is: 19,374.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,111.87 : 52,643.19 = 12,922.36 : x
  2. Step 2: Convert to fraction form
    35,111.87/52,643.19 = 12,922.36/x
  3. Step 3: Cross multiply
    35,111.87x = 52,643.19 × 12,922.36
  4. Step 4: Simplify right side
    35,111.87x = 680,274,021.82
  5. Step 5: Solve for x
    x = 680,274,021.82/35,111.87
  6. Step 6: Final answer
    x = 19,374.48

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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.