Home / 38,674.62-53,369.19-21,907.74

Finding the Fourth Proportional to 38,674.62, 53,369.19 and 21,907.74

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Solution

The fourth proportional to 38,674.62, 53,369.19 and 21,907.74 is: 30,231.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,674.62 : 53,369.19 = 21,907.74 : x
  2. Step 2: Convert to fraction form
    38,674.62/53,369.19 = 21,907.74/x
  3. Step 3: Cross multiply
    38,674.62x = 53,369.19 × 21,907.74
  4. Step 4: Simplify right side
    38,674.62x = 1,169,198,338.53
  5. Step 5: Solve for x
    x = 1,169,198,338.53/38,674.62
  6. Step 6: Final answer
    x = 30,231.67

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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.