Home / 30,415.06-41,971.26-17,839

Finding the Fourth Proportional to 30,415.06, 41,971.26 and 17,839

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Solution

The fourth proportional to 30,415.06, 41,971.26 and 17,839 is: 24,616.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,415.06 : 41,971.26 = 17,839 : x
  2. Step 2: Convert to fraction form
    30,415.06/41,971.26 = 17,839/x
  3. Step 3: Cross multiply
    30,415.06x = 41,971.26 × 17,839
  4. Step 4: Simplify right side
    30,415.06x = 748,725,307.14
  5. Step 5: Solve for x
    x = 748,725,307.14/30,415.06
  6. Step 6: Final answer
    x = 24,616.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.