Home / 30,313.65-41,834.93-18,377.49

Finding the Fourth Proportional to 30,313.65, 41,834.93 and 18,377.49

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Solution

The fourth proportional to 30,313.65, 41,834.93 and 18,377.49 is: 25,362.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,313.65 : 41,834.93 = 18,377.49 : x
  2. Step 2: Convert to fraction form
    30,313.65/41,834.93 = 18,377.49/x
  3. Step 3: Cross multiply
    30,313.65x = 41,834.93 × 18,377.49
  4. Step 4: Simplify right side
    30,313.65x = 768,821,007.73
  5. Step 5: Solve for x
    x = 768,821,007.73/30,313.65
  6. Step 6: Final answer
    x = 25,362.21

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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.