Home / 34,485.10-51,518.00-21,904.38

Finding the Fourth Proportional to 34,485.10, 51,518.00 and 21,904.38

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Solution

The fourth proportional to 34,485.10, 51,518.00 and 21,904.38 is: 32,723.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,485.10 : 51,518.00 = 21,904.38 : x
  2. Step 2: Convert to fraction form
    34,485.10/51,518.00 = 21,904.38/x
  3. Step 3: Cross multiply
    34,485.10x = 51,518.00 × 21,904.38
  4. Step 4: Simplify right side
    34,485.10x = 1,128,469,903.60
  5. Step 5: Solve for x
    x = 1,128,469,903.60/34,485.10
  6. Step 6: Final answer
    x = 32,723.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.