Home / 43,627.09-65,440.64-12,462.34

Finding the Fourth Proportional to 43,627.09, 65,440.64 and 12,462.34

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Solution

The fourth proportional to 43,627.09, 65,440.64 and 12,462.34 is: 18,693.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,627.09 : 65,440.64 = 12,462.34 : x
  2. Step 2: Convert to fraction form
    43,627.09/65,440.64 = 12,462.34/x
  3. Step 3: Cross multiply
    43,627.09x = 65,440.64 × 12,462.34
  4. Step 4: Simplify right side
    43,627.09x = 815,543,505.50
  5. Step 5: Solve for x
    x = 815,543,505.50/43,627.09
  6. Step 6: Final answer
    x = 18,693.51

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1.5x scale

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.