Home / 45,675.18-68,512.80-12,395.25

Finding the Fourth Proportional to 45,675.18, 68,512.80 and 12,395.25

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Solution

The fourth proportional to 45,675.18, 68,512.80 and 12,395.25 is: 18,592.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,675.18 : 68,512.80 = 12,395.25 : x
  2. Step 2: Convert to fraction form
    45,675.18/68,512.80 = 12,395.25/x
  3. Step 3: Cross multiply
    45,675.18x = 68,512.80 × 12,395.25
  4. Step 4: Simplify right side
    45,675.18x = 849,233,284.20
  5. Step 5: Solve for x
    x = 849,233,284.20/45,675.18
  6. Step 6: Final answer
    x = 18,592.88

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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.