Home / 43,467.56-65,200.64-13,885.20

Finding the Fourth Proportional to 43,467.56, 65,200.64 and 13,885.20

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Solution

The fourth proportional to 43,467.56, 65,200.64 and 13,885.20 is: 20,827.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,467.56 : 65,200.64 = 13,885.20 : x
  2. Step 2: Convert to fraction form
    43,467.56/65,200.64 = 13,885.20/x
  3. Step 3: Cross multiply
    43,467.56x = 65,200.64 × 13,885.20
  4. Step 4: Simplify right side
    43,467.56x = 905,323,926.53
  5. Step 5: Solve for x
    x = 905,323,926.53/43,467.56
  6. Step 6: Final answer
    x = 20,827.58

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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.