Home / 43,880.40-65,826-14,290.29

Finding the Fourth Proportional to 43,880.40, 65,826 and 14,290.29

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Solution

The fourth proportional to 43,880.40, 65,826 and 14,290.29 is: 21,437.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,880.40 : 65,826 = 14,290.29 : x
  2. Step 2: Convert to fraction form
    43,880.40/65,826 = 14,290.29/x
  3. Step 3: Cross multiply
    43,880.40x = 65,826 × 14,290.29
  4. Step 4: Simplify right side
    43,880.40x = 940,672,629.54
  5. Step 5: Solve for x
    x = 940,672,629.54/43,880.40
  6. Step 6: Final answer
    x = 21,437.19

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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.