Home / 49,570.09-74,355.18-40,786.54

Finding the Fourth Proportional to 49,570.09, 74,355.18 and 40,786.54

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Solution

The fourth proportional to 49,570.09, 74,355.18 and 40,786.54 is: 61,179.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,570.09 : 74,355.18 = 40,786.54 : x
  2. Step 2: Convert to fraction form
    49,570.09/74,355.18 = 40,786.54/x
  3. Step 3: Cross multiply
    49,570.09x = 74,355.18 × 40,786.54
  4. Step 4: Simplify right side
    49,570.09x = 3,032,690,319.34
  5. Step 5: Solve for x
    x = 3,032,690,319.34/49,570.09
  6. Step 6: Final answer
    x = 61,179.84

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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.