Home / 43,806.26-65,756.15-18,858.66

Finding the Fourth Proportional to 43,806.26, 65,756.15 and 18,858.66

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Solution

The fourth proportional to 43,806.26, 65,756.15 and 18,858.66 is: 28,308.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,806.26 : 65,756.15 = 18,858.66 : x
  2. Step 2: Convert to fraction form
    43,806.26/65,756.15 = 18,858.66/x
  3. Step 3: Cross multiply
    43,806.26x = 65,756.15 × 18,858.66
  4. Step 4: Simplify right side
    43,806.26x = 1,240,072,875.76
  5. Step 5: Solve for x
    x = 1,240,072,875.76/43,806.26
  6. Step 6: Final answer
    x = 28,308.12

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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.