Home / 49,846.88-74,784.45-20,285.93

Finding the Fourth Proportional to 49,846.88, 74,784.45 and 20,285.93

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Solution

The fourth proportional to 49,846.88, 74,784.45 and 20,285.93 is: 30,434.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,846.88 : 74,784.45 = 20,285.93 : x
  2. Step 2: Convert to fraction form
    49,846.88/74,784.45 = 20,285.93/x
  3. Step 3: Cross multiply
    49,846.88x = 74,784.45 × 20,285.93
  4. Step 4: Simplify right side
    49,846.88x = 1,517,072,117.79
  5. Step 5: Solve for x
    x = 1,517,072,117.79/49,846.88
  6. Step 6: Final answer
    x = 30,434.65

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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.