Home / 38,190.37-57,271.88-13,223.71

Finding the Fourth Proportional to 38,190.37, 57,271.88 and 13,223.71

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Solution

The fourth proportional to 38,190.37, 57,271.88 and 13,223.71 is: 19,830.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,190.37 : 57,271.88 = 13,223.71 : x
  2. Step 2: Convert to fraction form
    38,190.37/57,271.88 = 13,223.71/x
  3. Step 3: Cross multiply
    38,190.37x = 57,271.88 × 13,223.71
  4. Step 4: Simplify right side
    38,190.37x = 757,346,732.27
  5. Step 5: Solve for x
    x = 757,346,732.27/38,190.37
  6. Step 6: Final answer
    x = 19,830.83

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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.