Home / 30,512.64-45,773.28-15,729.60

Finding the Fourth Proportional to 30,512.64, 45,773.28 and 15,729.60

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Solution

The fourth proportional to 30,512.64, 45,773.28 and 15,729.60 is: 23,596.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,512.64 : 45,773.28 = 15,729.60 : x
  2. Step 2: Convert to fraction form
    30,512.64/45,773.28 = 15,729.60/x
  3. Step 3: Cross multiply
    30,512.64x = 45,773.28 × 15,729.60
  4. Step 4: Simplify right side
    30,512.64x = 719,995,385.09
  5. Step 5: Solve for x
    x = 719,995,385.09/30,512.64
  6. Step 6: Final answer
    x = 23,596.63

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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.