Home / 23,119.39-34,511.82-20,316.89

Finding the Fourth Proportional to 23,119.39, 34,511.82 and 20,316.89

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Solution

The fourth proportional to 23,119.39, 34,511.82 and 20,316.89 is: 30,328.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,119.39 : 34,511.82 = 20,316.89 : x
  2. Step 2: Convert to fraction form
    23,119.39/34,511.82 = 20,316.89/x
  3. Step 3: Cross multiply
    23,119.39x = 34,511.82 × 20,316.89
  4. Step 4: Simplify right side
    23,119.39x = 701,172,975.01
  5. Step 5: Solve for x
    x = 701,172,975.01/23,119.39
  6. Step 6: Final answer
    x = 30,328.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.