Home / 35,375.68-53,051.20-11,678.16

Finding the Fourth Proportional to 35,375.68, 53,051.20 and 11,678.16

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Solution

The fourth proportional to 35,375.68, 53,051.20 and 11,678.16 is: 17,513.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,375.68 : 53,051.20 = 11,678.16 : x
  2. Step 2: Convert to fraction form
    35,375.68/53,051.20 = 11,678.16/x
  3. Step 3: Cross multiply
    35,375.68x = 53,051.20 × 11,678.16
  4. Step 4: Simplify right side
    35,375.68x = 619,540,401.79
  5. Step 5: Solve for x
    x = 619,540,401.79/35,375.68
  6. Step 6: Final answer
    x = 17,513.17

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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.