Home / 35,238.24-48,627.72-20,130.84

Finding the Fourth Proportional to 35,238.24, 48,627.72 and 20,130.84

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Solution

The fourth proportional to 35,238.24, 48,627.72 and 20,130.84 is: 27,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,238.24 : 48,627.72 = 20,130.84 : x
  2. Step 2: Convert to fraction form
    35,238.24/48,627.72 = 20,130.84/x
  3. Step 3: Cross multiply
    35,238.24x = 48,627.72 × 20,130.84
  4. Step 4: Simplify right side
    35,238.24x = 978,916,850.88
  5. Step 5: Solve for x
    x = 978,916,850.88/35,238.24
  6. Step 6: Final answer
    x = 27,779.96

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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.