Home / 45,495.60-68,243.56-15,913.28

Finding the Fourth Proportional to 45,495.60, 68,243.56 and 15,913.28

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Solution

The fourth proportional to 45,495.60, 68,243.56 and 15,913.28 is: 23,869.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,495.60 : 68,243.56 = 15,913.28 : x
  2. Step 2: Convert to fraction form
    45,495.60/68,243.56 = 15,913.28/x
  3. Step 3: Cross multiply
    45,495.60x = 68,243.56 × 15,913.28
  4. Step 4: Simplify right side
    45,495.60x = 1,085,978,878.48
  5. Step 5: Solve for x
    x = 1,085,978,878.48/45,495.60
  6. Step 6: Final answer
    x = 23,869.98

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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.