Home / 49,935.21-74,812.56-31,206.25

Finding the Fourth Proportional to 49,935.21, 74,812.56 and 31,206.25

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Solution

The fourth proportional to 49,935.21, 74,812.56 and 31,206.25 is: 46,752.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,935.21 : 74,812.56 = 31,206.25 : x
  2. Step 2: Convert to fraction form
    49,935.21/74,812.56 = 31,206.25/x
  3. Step 3: Cross multiply
    49,935.21x = 74,812.56 × 31,206.25
  4. Step 4: Simplify right side
    49,935.21x = 2,334,619,450.50
  5. Step 5: Solve for x
    x = 2,334,619,450.50/49,935.21
  6. Step 6: Final answer
    x = 46,752.97

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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.