Home / 49,428.81-74,107.91-23,119.20

Finding the Fourth Proportional to 49,428.81, 74,107.91 and 23,119.20

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Solution

The fourth proportional to 49,428.81, 74,107.91 and 23,119.20 is: 34,662.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,428.81 : 74,107.91 = 23,119.20 : x
  2. Step 2: Convert to fraction form
    49,428.81/74,107.91 = 23,119.20/x
  3. Step 3: Cross multiply
    49,428.81x = 74,107.91 × 23,119.20
  4. Step 4: Simplify right side
    49,428.81x = 1,713,315,592.87
  5. Step 5: Solve for x
    x = 1,713,315,592.87/49,428.81
  6. Step 6: Final answer
    x = 34,662.29

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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.