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Finding the Fourth Proportional to 57,496.74, 86,241.48 and 21,466.16

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Solution

The fourth proportional to 57,496.74, 86,241.48 and 21,466.16 is: 32,197.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,496.74 : 86,241.48 = 21,466.16 : x
  2. Step 2: Convert to fraction form
    57,496.74/86,241.48 = 21,466.16/x
  3. Step 3: Cross multiply
    57,496.74x = 86,241.48 × 21,466.16
  4. Step 4: Simplify right side
    57,496.74x = 1,851,273,408.32
  5. Step 5: Solve for x
    x = 1,851,273,408.32/57,496.74
  6. Step 6: Final answer
    x = 32,197.88

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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.