Home / 35,857.28-49,474.88-20,749.56

Finding the Fourth Proportional to 35,857.28, 49,474.88 and 20,749.56

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Solution

The fourth proportional to 35,857.28, 49,474.88 and 20,749.56 is: 28,629.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,857.28 : 49,474.88 = 20,749.56 : x
  2. Step 2: Convert to fraction form
    35,857.28/49,474.88 = 20,749.56/x
  3. Step 3: Cross multiply
    35,857.28x = 49,474.88 × 20,749.56
  4. Step 4: Simplify right side
    35,857.28x = 1,026,581,991.05
  5. Step 5: Solve for x
    x = 1,026,581,991.05/35,857.28
  6. Step 6: Final answer
    x = 28,629.67

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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.