Home / 31,090.30-46,607.46-11,355.01

Finding the Fourth Proportional to 31,090.30, 46,607.46 and 11,355.01

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Solution

The fourth proportional to 31,090.30, 46,607.46 and 11,355.01 is: 17,022.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,090.30 : 46,607.46 = 11,355.01 : x
  2. Step 2: Convert to fraction form
    31,090.30/46,607.46 = 11,355.01/x
  3. Step 3: Cross multiply
    31,090.30x = 46,607.46 × 11,355.01
  4. Step 4: Simplify right side
    31,090.30x = 529,228,174.37
  5. Step 5: Solve for x
    x = 529,228,174.37/31,090.30
  6. Step 6: Final answer
    x = 17,022.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.