Home / 35,704.36-49,270.50-19,789.48

Finding the Fourth Proportional to 35,704.36, 49,270.50 and 19,789.48

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Solution

The fourth proportional to 35,704.36, 49,270.50 and 19,789.48 is: 27,308.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,704.36 : 49,270.50 = 19,789.48 : x
  2. Step 2: Convert to fraction form
    35,704.36/49,270.50 = 19,789.48/x
  3. Step 3: Cross multiply
    35,704.36x = 49,270.50 × 19,789.48
  4. Step 4: Simplify right side
    35,704.36x = 975,037,574.34
  5. Step 5: Solve for x
    x = 975,037,574.34/35,704.36
  6. Step 6: Final answer
    x = 27,308.64

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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.