Home / 55,394.10-83,071.71-15,940.62

Finding the Fourth Proportional to 55,394.10, 83,071.71 and 15,940.62

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Solution

The fourth proportional to 55,394.10, 83,071.71 and 15,940.62 is: 23,905.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,394.10 : 83,071.71 = 15,940.62 : x
  2. Step 2: Convert to fraction form
    55,394.10/83,071.71 = 15,940.62/x
  3. Step 3: Cross multiply
    55,394.10x = 83,071.71 × 15,940.62
  4. Step 4: Simplify right side
    55,394.10x = 1,324,214,561.86
  5. Step 5: Solve for x
    x = 1,324,214,561.86/55,394.10
  6. Step 6: Final answer
    x = 23,905.34

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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.