Home / 30,311.40-41,834.68-23,127.71

Finding the Fourth Proportional to 30,311.40, 41,834.68 and 23,127.71

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Solution

The fourth proportional to 30,311.40, 41,834.68 and 23,127.71 is: 31,920.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311.40 : 41,834.68 = 23,127.71 : x
  2. Step 2: Convert to fraction form
    30,311.40/41,834.68 = 23,127.71/x
  3. Step 3: Cross multiply
    30,311.40x = 41,834.68 × 23,127.71
  4. Step 4: Simplify right side
    30,311.40x = 967,540,315.31
  5. Step 5: Solve for x
    x = 967,540,315.31/30,311.40
  6. Step 6: Final answer
    x = 31,920.02

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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.