Home / 38,271.77-57,433.78-13,311.57

Finding the Fourth Proportional to 38,271.77, 57,433.78 and 13,311.57

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Solution

The fourth proportional to 38,271.77, 57,433.78 and 13,311.57 is: 19,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,271.77 : 57,433.78 = 13,311.57 : x
  2. Step 2: Convert to fraction form
    38,271.77/57,433.78 = 13,311.57/x
  3. Step 3: Cross multiply
    38,271.77x = 57,433.78 × 13,311.57
  4. Step 4: Simplify right side
    38,271.77x = 764,534,014.85
  5. Step 5: Solve for x
    x = 764,534,014.85/38,271.77
  6. Step 6: Final answer
    x = 19,976.45

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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.