Home / 34,389.69-47,466.20-20,968.33

Finding the Fourth Proportional to 34,389.69, 47,466.20 and 20,968.33

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Solution

The fourth proportional to 34,389.69, 47,466.20 and 20,968.33 is: 28,941.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,389.69 : 47,466.20 = 20,968.33 : x
  2. Step 2: Convert to fraction form
    34,389.69/47,466.20 = 20,968.33/x
  3. Step 3: Cross multiply
    34,389.69x = 47,466.20 × 20,968.33
  4. Step 4: Simplify right side
    34,389.69x = 995,286,945.45
  5. Step 5: Solve for x
    x = 995,286,945.45/34,389.69
  6. Step 6: Final answer
    x = 28,941.43

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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.