Home / 49,919.94-74,878.47-12,983.94

Finding the Fourth Proportional to 49,919.94, 74,878.47 and 12,983.94

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Solution

The fourth proportional to 49,919.94, 74,878.47 and 12,983.94 is: 19,475.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,919.94 : 74,878.47 = 12,983.94 : x
  2. Step 2: Convert to fraction form
    49,919.94/74,878.47 = 12,983.94/x
  3. Step 3: Cross multiply
    49,919.94x = 74,878.47 × 12,983.94
  4. Step 4: Simplify right side
    49,919.94x = 972,217,561.77
  5. Step 5: Solve for x
    x = 972,217,561.77/49,919.94
  6. Step 6: Final answer
    x = 19,475.54

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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.