Home / 30,162.67-41,623.50-18,223.93

Finding the Fourth Proportional to 30,162.67, 41,623.50 and 18,223.93

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Solution

The fourth proportional to 30,162.67, 41,623.50 and 18,223.93 is: 25,148.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,162.67 : 41,623.50 = 18,223.93 : x
  2. Step 2: Convert to fraction form
    30,162.67/41,623.50 = 18,223.93/x
  3. Step 3: Cross multiply
    30,162.67x = 41,623.50 × 18,223.93
  4. Step 4: Simplify right side
    30,162.67x = 758,543,750.36
  5. Step 5: Solve for x
    x = 758,543,750.36/30,162.67
  6. Step 6: Final answer
    x = 25,148.43

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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.