Home / 45,478.30-68,091.48-23,243.80

Finding the Fourth Proportional to 45,478.30, 68,091.48 and 23,243.80

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Solution

The fourth proportional to 45,478.30, 68,091.48 and 23,243.80 is: 34,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,478.30 : 68,091.48 = 23,243.80 : x
  2. Step 2: Convert to fraction form
    45,478.30/68,091.48 = 23,243.80/x
  3. Step 3: Cross multiply
    45,478.30x = 68,091.48 × 23,243.80
  4. Step 4: Simplify right side
    45,478.30x = 1,582,704,742.82
  5. Step 5: Solve for x
    x = 1,582,704,742.82/45,478.30
  6. Step 6: Final answer
    x = 34,801.32

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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.