Home / 67,838.93-101,763.26-17,918.53

Finding the Fourth Proportional to 67,838.93, 101,763.26 and 17,918.53

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Solution

The fourth proportional to 67,838.93, 101,763.26 and 17,918.53 is: 26,879.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,838.93 : 101,763.26 = 17,918.53 : x
  2. Step 2: Convert to fraction form
    67,838.93/101,763.26 = 17,918.53/x
  3. Step 3: Cross multiply
    67,838.93x = 101,763.26 × 17,918.53
  4. Step 4: Simplify right side
    67,838.93x = 1,823,448,027.21
  5. Step 5: Solve for x
    x = 1,823,448,027.21/67,838.93
  6. Step 6: Final answer
    x = 26,879.08

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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.