Home / 43,838.64-65,751.75-14,256.90

Finding the Fourth Proportional to 43,838.64, 65,751.75 and 14,256.90

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Solution

The fourth proportional to 43,838.64, 65,751.75 and 14,256.90 is: 21,383.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,838.64 : 65,751.75 = 14,256.90 : x
  2. Step 2: Convert to fraction form
    43,838.64/65,751.75 = 14,256.90/x
  3. Step 3: Cross multiply
    43,838.64x = 65,751.75 × 14,256.90
  4. Step 4: Simplify right side
    43,838.64x = 937,416,124.58
  5. Step 5: Solve for x
    x = 937,416,124.58/43,838.64
  6. Step 6: Final answer
    x = 21,383.33

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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.