Home / 45,577.29-68,336.27-18,915.94

Finding the Fourth Proportional to 45,577.29, 68,336.27 and 18,915.94

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Solution

The fourth proportional to 45,577.29, 68,336.27 and 18,915.94 is: 28,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,577.29 : 68,336.27 = 18,915.94 : x
  2. Step 2: Convert to fraction form
    45,577.29/68,336.27 = 18,915.94/x
  3. Step 3: Cross multiply
    45,577.29x = 68,336.27 × 18,915.94
  4. Step 4: Simplify right side
    45,577.29x = 1,292,644,783.14
  5. Step 5: Solve for x
    x = 1,292,644,783.14/45,577.29
  6. Step 6: Final answer
    x = 28,361.60

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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.