Home / 34,977.56-48,266.69-20,636.64

Finding the Fourth Proportional to 34,977.56, 48,266.69 and 20,636.64

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Solution

The fourth proportional to 34,977.56, 48,266.69 and 20,636.64 is: 28,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,977.56 : 48,266.69 = 20,636.64 : x
  2. Step 2: Convert to fraction form
    34,977.56/48,266.69 = 20,636.64/x
  3. Step 3: Cross multiply
    34,977.56x = 48,266.69 × 20,636.64
  4. Step 4: Simplify right side
    34,977.56x = 996,062,202.34
  5. Step 5: Solve for x
    x = 996,062,202.34/34,977.56
  6. Step 6: Final answer
    x = 28,477.18

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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.