Home / 43,870.94-65,806.41-12,706.19

Finding the Fourth Proportional to 43,870.94, 65,806.41 and 12,706.19

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Solution

The fourth proportional to 43,870.94, 65,806.41 and 12,706.19 is: 19,059.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,870.94 : 65,806.41 = 12,706.19 : x
  2. Step 2: Convert to fraction form
    43,870.94/65,806.41 = 12,706.19/x
  3. Step 3: Cross multiply
    43,870.94x = 65,806.41 × 12,706.19
  4. Step 4: Simplify right side
    43,870.94x = 836,148,748.68
  5. Step 5: Solve for x
    x = 836,148,748.68/43,870.94
  6. Step 6: Final answer
    x = 19,059.29

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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.