Home / 36,427.78-50,270.88-20,512.18

Finding the Fourth Proportional to 36,427.78, 50,270.88 and 20,512.18

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Solution

The fourth proportional to 36,427.78, 50,270.88 and 20,512.18 is: 28,307.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,427.78 : 50,270.88 = 20,512.18 : x
  2. Step 2: Convert to fraction form
    36,427.78/50,270.88 = 20,512.18/x
  3. Step 3: Cross multiply
    36,427.78x = 50,270.88 × 20,512.18
  4. Step 4: Simplify right side
    36,427.78x = 1,031,165,339.32
  5. Step 5: Solve for x
    x = 1,031,165,339.32/36,427.78
  6. Step 6: Final answer
    x = 28,307.11

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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.