Home / 36,255.44-50,031.72-20,339.60

Finding the Fourth Proportional to 36,255.44, 50,031.72 and 20,339.60

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Solution

The fourth proportional to 36,255.44, 50,031.72 and 20,339.60 is: 28,068.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,255.44 : 50,031.72 = 20,339.60 : x
  2. Step 2: Convert to fraction form
    36,255.44/50,031.72 = 20,339.60/x
  3. Step 3: Cross multiply
    36,255.44x = 50,031.72 × 20,339.60
  4. Step 4: Simplify right side
    36,255.44x = 1,017,625,172.11
  5. Step 5: Solve for x
    x = 1,017,625,172.11/36,255.44
  6. Step 6: Final answer
    x = 28,068.21

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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.