Home / 35,663.49-49,215.53-20,556.03

Finding the Fourth Proportional to 35,663.49, 49,215.53 and 20,556.03

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Solution

The fourth proportional to 35,663.49, 49,215.53 and 20,556.03 is: 28,367.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,663.49 : 49,215.53 = 20,556.03 : x
  2. Step 2: Convert to fraction form
    35,663.49/49,215.53 = 20,556.03/x
  3. Step 3: Cross multiply
    35,663.49x = 49,215.53 × 20,556.03
  4. Step 4: Simplify right side
    35,663.49x = 1,011,675,911.15
  5. Step 5: Solve for x
    x = 1,011,675,911.15/35,663.49
  6. Step 6: Final answer
    x = 28,367.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.