Home / 49,941.56-74,923.28-18,776.81

Finding the Fourth Proportional to 49,941.56, 74,923.28 and 18,776.81

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Solution

The fourth proportional to 49,941.56, 74,923.28 and 18,776.81 is: 28,169.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,941.56 : 74,923.28 = 18,776.81 : x
  2. Step 2: Convert to fraction form
    49,941.56/74,923.28 = 18,776.81/x
  3. Step 3: Cross multiply
    49,941.56x = 74,923.28 × 18,776.81
  4. Step 4: Simplify right side
    49,941.56x = 1,406,820,356.97
  5. Step 5: Solve for x
    x = 1,406,820,356.97/49,941.56
  6. Step 6: Final answer
    x = 28,169.33

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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.