Home / 35,131.73-52,718.18-12,960.54

Finding the Fourth Proportional to 35,131.73, 52,718.18 and 12,960.54

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Solution

The fourth proportional to 35,131.73, 52,718.18 and 12,960.54 is: 19,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,131.73 : 52,718.18 = 12,960.54 : x
  2. Step 2: Convert to fraction form
    35,131.73/52,718.18 = 12,960.54/x
  3. Step 3: Cross multiply
    35,131.73x = 52,718.18 × 12,960.54
  4. Step 4: Simplify right side
    35,131.73x = 683,256,015.81
  5. Step 5: Solve for x
    x = 683,256,015.81/35,131.73
  6. Step 6: Final answer
    x = 19,448.40

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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.