Home / 35,131.22-52,717.62-12,960.18

Finding the Fourth Proportional to 35,131.22, 52,717.62 and 12,960.18

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Solution

The fourth proportional to 35,131.22, 52,717.62 and 12,960.18 is: 19,447.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,131.22 : 52,717.62 = 12,960.18 : x
  2. Step 2: Convert to fraction form
    35,131.22/52,717.62 = 12,960.18/x
  3. Step 3: Cross multiply
    35,131.22x = 52,717.62 × 12,960.18
  4. Step 4: Simplify right side
    35,131.22x = 683,229,844.37
  5. Step 5: Solve for x
    x = 683,229,844.37/35,131.22
  6. Step 6: Final answer
    x = 19,447.94

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1.5x scale

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.