Home / 30,497.99-45,751.23-9,439.73

Finding the Fourth Proportional to 30,497.99, 45,751.23 and 9,439.73

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Solution

The fourth proportional to 30,497.99, 45,751.23 and 9,439.73 is: 14,160.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,497.99 : 45,751.23 = 9,439.73 : x
  2. Step 2: Convert to fraction form
    30,497.99/45,751.23 = 9,439.73/x
  3. Step 3: Cross multiply
    30,497.99x = 45,751.23 × 9,439.73
  4. Step 4: Simplify right side
    30,497.99x = 431,879,258.37
  5. Step 5: Solve for x
    x = 431,879,258.37/30,497.99
  6. Step 6: Final answer
    x = 14,160.91

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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.