Home / 64,904.62-97,322.19-19,918.06

Finding the Fourth Proportional to 64,904.62, 97,322.19 and 19,918.06

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Solution

The fourth proportional to 64,904.62, 97,322.19 and 19,918.06 is: 29,866.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,904.62 : 97,322.19 = 19,918.06 : x
  2. Step 2: Convert to fraction form
    64,904.62/97,322.19 = 19,918.06/x
  3. Step 3: Cross multiply
    64,904.62x = 97,322.19 × 19,918.06
  4. Step 4: Simplify right side
    64,904.62x = 1,938,469,219.75
  5. Step 5: Solve for x
    x = 1,938,469,219.75/64,904.62
  6. Step 6: Final answer
    x = 29,866.43

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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.