Home / 30,769.42-46,240.70-18,291.67

Finding the Fourth Proportional to 30,769.42, 46,240.70 and 18,291.67

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Solution

The fourth proportional to 30,769.42, 46,240.70 and 18,291.67 is: 27,488.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,769.42 : 46,240.70 = 18,291.67 : x
  2. Step 2: Convert to fraction form
    30,769.42/46,240.70 = 18,291.67/x
  3. Step 3: Cross multiply
    30,769.42x = 46,240.70 × 18,291.67
  4. Step 4: Simplify right side
    30,769.42x = 845,819,729.46
  5. Step 5: Solve for x
    x = 845,819,729.46/30,769.42
  6. Step 6: Final answer
    x = 27,488.97

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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.