Home / 45,577.04-68,335.90-18,915.69

Finding the Fourth Proportional to 45,577.04, 68,335.90 and 18,915.69

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Solution

The fourth proportional to 45,577.04, 68,335.90 and 18,915.69 is: 28,361.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,577.04 : 68,335.90 = 18,915.69 : x
  2. Step 2: Convert to fraction form
    45,577.04/68,335.90 = 18,915.69/x
  3. Step 3: Cross multiply
    45,577.04x = 68,335.90 × 18,915.69
  4. Step 4: Simplify right side
    45,577.04x = 1,292,620,652.98
  5. Step 5: Solve for x
    x = 1,292,620,652.98/45,577.04
  6. Step 6: Final answer
    x = 28,361.22

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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.