Home / 64,738.58-97,108.07-17,991.45

Finding the Fourth Proportional to 64,738.58, 97,108.07 and 17,991.45

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Solution

The fourth proportional to 64,738.58, 97,108.07 and 17,991.45 is: 26,987.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,738.58 : 97,108.07 = 17,991.45 : x
  2. Step 2: Convert to fraction form
    64,738.58/97,108.07 = 17,991.45/x
  3. Step 3: Cross multiply
    64,738.58x = 97,108.07 × 17,991.45
  4. Step 4: Simplify right side
    64,738.58x = 1,747,114,896.04
  5. Step 5: Solve for x
    x = 1,747,114,896.04/64,738.58
  6. Step 6: Final answer
    x = 26,987.23

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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.