Home / 35,105.36-48,443.10-19,995.80

Finding the Fourth Proportional to 35,105.36, 48,443.10 and 19,995.80

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Solution

The fourth proportional to 35,105.36, 48,443.10 and 19,995.80 is: 27,592.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,105.36 : 48,443.10 = 19,995.80 : x
  2. Step 2: Convert to fraction form
    35,105.36/48,443.10 = 19,995.80/x
  3. Step 3: Cross multiply
    35,105.36x = 48,443.10 × 19,995.80
  4. Step 4: Simplify right side
    35,105.36x = 968,658,538.98
  5. Step 5: Solve for x
    x = 968,658,538.98/35,105.36
  6. Step 6: Final answer
    x = 27,592.90

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Double scale
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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.