Home / 49,563.86-68,369.47-31,638.65

Finding the Fourth Proportional to 49,563.86, 68,369.47 and 31,638.65

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Solution

The fourth proportional to 49,563.86, 68,369.47 and 31,638.65 is: 43,643.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,563.86 : 68,369.47 = 31,638.65 : x
  2. Step 2: Convert to fraction form
    49,563.86/68,369.47 = 31,638.65/x
  3. Step 3: Cross multiply
    49,563.86x = 68,369.47 × 31,638.65
  4. Step 4: Simplify right side
    49,563.86x = 2,163,117,311.07
  5. Step 5: Solve for x
    x = 2,163,117,311.07/49,563.86
  6. Step 6: Final answer
    x = 43,643.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.