Home / 49,871.48-74,807.01-20,289.07

Finding the Fourth Proportional to 49,871.48, 74,807.01 and 20,289.07

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Solution

The fourth proportional to 49,871.48, 74,807.01 and 20,289.07 is: 30,433.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,871.48 : 74,807.01 = 20,289.07 : x
  2. Step 2: Convert to fraction form
    49,871.48/74,807.01 = 20,289.07/x
  3. Step 3: Cross multiply
    49,871.48x = 74,807.01 × 20,289.07
  4. Step 4: Simplify right side
    49,871.48x = 1,517,764,662.38
  5. Step 5: Solve for x
    x = 1,517,764,662.38/49,871.48
  6. Step 6: Final answer
    x = 30,433.52

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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.