Home / 35,911.05-49,556.76-19,995.50

Finding the Fourth Proportional to 35,911.05, 49,556.76 and 19,995.50

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Solution

The fourth proportional to 35,911.05, 49,556.76 and 19,995.50 is: 27,593.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,911.05 : 49,556.76 = 19,995.50 : x
  2. Step 2: Convert to fraction form
    35,911.05/49,556.76 = 19,995.50/x
  3. Step 3: Cross multiply
    35,911.05x = 49,556.76 × 19,995.50
  4. Step 4: Simplify right side
    35,911.05x = 990,911,946.80
  5. Step 5: Solve for x
    x = 990,911,946.80/35,911.05
  6. Step 6: Final answer
    x = 27,593.51

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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.