Home / 35,717.78-49,288.56-19,800.98

Finding the Fourth Proportional to 35,717.78, 49,288.56 and 19,800.98

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Solution

The fourth proportional to 35,717.78, 49,288.56 and 19,800.98 is: 27,324.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,717.78 : 49,288.56 = 19,800.98 : x
  2. Step 2: Convert to fraction form
    35,717.78/49,288.56 = 19,800.98/x
  3. Step 3: Cross multiply
    35,717.78x = 49,288.56 × 19,800.98
  4. Step 4: Simplify right side
    35,717.78x = 975,961,790.79
  5. Step 5: Solve for x
    x = 975,961,790.79/35,717.78
  6. Step 6: Final answer
    x = 27,324.26

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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.