Home / 35,243.46-48,628.91-20,141.08

Finding the Fourth Proportional to 35,243.46, 48,628.91 and 20,141.08

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Solution

The fourth proportional to 35,243.46, 48,628.91 and 20,141.08 is: 27,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,243.46 : 48,628.91 = 20,141.08 : x
  2. Step 2: Convert to fraction form
    35,243.46/48,628.91 = 20,141.08/x
  3. Step 3: Cross multiply
    35,243.46x = 48,628.91 × 20,141.08
  4. Step 4: Simplify right side
    35,243.46x = 979,438,695.40
  5. Step 5: Solve for x
    x = 979,438,695.40/35,243.46
  6. Step 6: Final answer
    x = 27,790.65

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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.