Home / 35,647.60-49,205.99-20,546.28

Finding the Fourth Proportional to 35,647.60, 49,205.99 and 20,546.28

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Solution

The fourth proportional to 35,647.60, 49,205.99 and 20,546.28 is: 28,360.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,647.60 : 49,205.99 = 20,546.28 : x
  2. Step 2: Convert to fraction form
    35,647.60/49,205.99 = 20,546.28/x
  3. Step 3: Cross multiply
    35,647.60x = 49,205.99 × 20,546.28
  4. Step 4: Simplify right side
    35,647.60x = 1,011,000,048.22
  5. Step 5: Solve for x
    x = 1,011,000,048.22/35,647.60
  6. Step 6: Final answer
    x = 28,360.96

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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.