Home / 35,418.83-53,090.78-11,720.25

Finding the Fourth Proportional to 35,418.83, 53,090.78 and 11,720.25

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Solution

The fourth proportional to 35,418.83, 53,090.78 and 11,720.25 is: 17,567.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,418.83 : 53,090.78 = 11,720.25 : x
  2. Step 2: Convert to fraction form
    35,418.83/53,090.78 = 11,720.25/x
  3. Step 3: Cross multiply
    35,418.83x = 53,090.78 × 11,720.25
  4. Step 4: Simplify right side
    35,418.83x = 622,237,155.69
  5. Step 5: Solve for x
    x = 622,237,155.69/35,418.83
  6. Step 6: Final answer
    x = 17,567.98

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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.