Home / 30,974.34-46,346.69-18,501.15

Finding the Fourth Proportional to 30,974.34, 46,346.69 and 18,501.15

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Solution

The fourth proportional to 30,974.34, 46,346.69 and 18,501.15 is: 27,683.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,974.34 : 46,346.69 = 18,501.15 : x
  2. Step 2: Convert to fraction form
    30,974.34/46,346.69 = 18,501.15/x
  3. Step 3: Cross multiply
    30,974.34x = 46,346.69 × 18,501.15
  4. Step 4: Simplify right side
    30,974.34x = 857,467,063.69
  5. Step 5: Solve for x
    x = 857,467,063.69/30,974.34
  6. Step 6: Final answer
    x = 27,683.14

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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.