Home / 35,131.63-52,718.21-12,960.58

Finding the Fourth Proportional to 35,131.63, 52,718.21 and 12,960.58

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Solution

The fourth proportional to 35,131.63, 52,718.21 and 12,960.58 is: 19,448.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,131.63 : 52,718.21 = 12,960.58 : x
  2. Step 2: Convert to fraction form
    35,131.63/52,718.21 = 12,960.58/x
  3. Step 3: Cross multiply
    35,131.63x = 52,718.21 × 12,960.58
  4. Step 4: Simplify right side
    35,131.63x = 683,258,513.36
  5. Step 5: Solve for x
    x = 683,258,513.36/35,131.63
  6. Step 6: Final answer
    x = 19,448.53

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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.