Home / 68,975.36-103,464.99-19,055.47

Finding the Fourth Proportional to 68,975.36, 103,464.99 and 19,055.47

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Solution

The fourth proportional to 68,975.36, 103,464.99 and 19,055.47 is: 28,583.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,975.36 : 103,464.99 = 19,055.47 : x
  2. Step 2: Convert to fraction form
    68,975.36/103,464.99 = 19,055.47/x
  3. Step 3: Cross multiply
    68,975.36x = 103,464.99 × 19,055.47
  4. Step 4: Simplify right side
    68,975.36x = 1,971,574,013.00
  5. Step 5: Solve for x
    x = 1,971,574,013.00/68,975.36
  6. Step 6: Final answer
    x = 28,583.74

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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.