Home / 30,020.87-44,981.97-10,288.65

Finding the Fourth Proportional to 30,020.87, 44,981.97 and 10,288.65

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Solution

The fourth proportional to 30,020.87, 44,981.97 and 10,288.65 is: 15,416.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,020.87 : 44,981.97 = 10,288.65 : x
  2. Step 2: Convert to fraction form
    30,020.87/44,981.97 = 10,288.65/x
  3. Step 3: Cross multiply
    30,020.87x = 44,981.97 × 10,288.65
  4. Step 4: Simplify right side
    30,020.87x = 462,803,745.64
  5. Step 5: Solve for x
    x = 462,803,745.64/30,020.87
  6. Step 6: Final answer
    x = 15,416.07

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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.