Home / 49,669.38-74,504.01-20,086.98

Finding the Fourth Proportional to 49,669.38, 74,504.01 and 20,086.98

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Solution

The fourth proportional to 49,669.38, 74,504.01 and 20,086.98 is: 30,130.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,669.38 : 74,504.01 = 20,086.98 : x
  2. Step 2: Convert to fraction form
    49,669.38/74,504.01 = 20,086.98/x
  3. Step 3: Cross multiply
    49,669.38x = 74,504.01 × 20,086.98
  4. Step 4: Simplify right side
    49,669.38x = 1,496,560,558.79
  5. Step 5: Solve for x
    x = 1,496,560,558.79/49,669.38
  6. Step 6: Final answer
    x = 30,130.45

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1.5x scale

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.