Home / 30,389.46-41,969.79-23,141.85

Finding the Fourth Proportional to 30,389.46, 41,969.79 and 23,141.85

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Solution

The fourth proportional to 30,389.46, 41,969.79 and 23,141.85 is: 31,960.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,389.46 : 41,969.79 = 23,141.85 : x
  2. Step 2: Convert to fraction form
    30,389.46/41,969.79 = 23,141.85/x
  3. Step 3: Cross multiply
    30,389.46x = 41,969.79 × 23,141.85
  4. Step 4: Simplify right side
    30,389.46x = 971,258,584.71
  5. Step 5: Solve for x
    x = 971,258,584.71/30,389.46
  6. Step 6: Final answer
    x = 31,960.38

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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.