Home / 49,778.10-74,491.73-31,066.93

Finding the Fourth Proportional to 49,778.10, 74,491.73 and 31,066.93

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Solution

The fourth proportional to 49,778.10, 74,491.73 and 31,066.93 is: 46,490.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,778.10 : 74,491.73 = 31,066.93 : x
  2. Step 2: Convert to fraction form
    49,778.10/74,491.73 = 31,066.93/x
  3. Step 3: Cross multiply
    49,778.10x = 74,491.73 × 31,066.93
  4. Step 4: Simplify right side
    49,778.10x = 2,314,229,361.49
  5. Step 5: Solve for x
    x = 2,314,229,361.49/49,778.10
  6. Step 6: Final answer
    x = 46,490.91

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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.