Home / 35,311.36-48,731-19,396.48

Finding the Fourth Proportional to 35,311.36, 48,731 and 19,396.48

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Solution

The fourth proportional to 35,311.36, 48,731 and 19,396.48 is: 26,767.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,311.36 : 48,731 = 19,396.48 : x
  2. Step 2: Convert to fraction form
    35,311.36/48,731 = 19,396.48/x
  3. Step 3: Cross multiply
    35,311.36x = 48,731 × 19,396.48
  4. Step 4: Simplify right side
    35,311.36x = 945,209,866.88
  5. Step 5: Solve for x
    x = 945,209,866.88/35,311.36
  6. Step 6: Final answer
    x = 26,767.87

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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.