Home / 38,271.56-57,406.86-13,311.14

Finding the Fourth Proportional to 38,271.56, 57,406.86 and 13,311.14

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Solution

The fourth proportional to 38,271.56, 57,406.86 and 13,311.14 is: 19,966.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,271.56 : 57,406.86 = 13,311.14 : x
  2. Step 2: Convert to fraction form
    38,271.56/57,406.86 = 13,311.14/x
  3. Step 3: Cross multiply
    38,271.56x = 57,406.86 × 13,311.14
  4. Step 4: Simplify right side
    38,271.56x = 764,150,463.39
  5. Step 5: Solve for x
    x = 764,150,463.39/38,271.56
  6. Step 6: Final answer
    x = 19,966.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.