Home / 49,410.16-74,124.60-19,830.34

Finding the Fourth Proportional to 49,410.16, 74,124.60 and 19,830.34

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Solution

The fourth proportional to 49,410.16, 74,124.60 and 19,830.34 is: 29,749.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,410.16 : 74,124.60 = 19,830.34 : x
  2. Step 2: Convert to fraction form
    49,410.16/74,124.60 = 19,830.34/x
  3. Step 3: Cross multiply
    49,410.16x = 74,124.60 × 19,830.34
  4. Step 4: Simplify right side
    49,410.16x = 1,469,916,020.36
  5. Step 5: Solve for x
    x = 1,469,916,020.36/49,410.16
  6. Step 6: Final answer
    x = 29,749.27

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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.