Home / 49,768.90-74,477.94-31,057.74

Finding the Fourth Proportional to 49,768.90, 74,477.94 and 31,057.74

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Solution

The fourth proportional to 49,768.90, 74,477.94 and 31,057.74 is: 46,477.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,768.90 : 74,477.94 = 31,057.74 : x
  2. Step 2: Convert to fraction form
    49,768.90/74,477.94 = 31,057.74/x
  3. Step 3: Cross multiply
    49,768.90x = 74,477.94 × 31,057.74
  4. Step 4: Simplify right side
    49,768.90x = 2,313,116,496.26
  5. Step 5: Solve for x
    x = 2,313,116,496.26/49,768.90
  6. Step 6: Final answer
    x = 46,477.15

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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.