Home / 30,021.65-45,033.39-10,299.93

Finding the Fourth Proportional to 30,021.65, 45,033.39 and 10,299.93

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Solution

The fourth proportional to 30,021.65, 45,033.39 and 10,299.93 is: 15,450.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,021.65 : 45,033.39 = 10,299.93 : x
  2. Step 2: Convert to fraction form
    30,021.65/45,033.39 = 10,299.93/x
  3. Step 3: Cross multiply
    30,021.65x = 45,033.39 × 10,299.93
  4. Step 4: Simplify right side
    30,021.65x = 463,840,764.66
  5. Step 5: Solve for x
    x = 463,840,764.66/30,021.65
  6. Step 6: Final answer
    x = 15,450.21

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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.