Home / 49,855.26-68,731.35-39,817.50

Finding the Fourth Proportional to 49,855.26, 68,731.35 and 39,817.50

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Solution

The fourth proportional to 49,855.26, 68,731.35 and 39,817.50 is: 54,893.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,855.26 : 68,731.35 = 39,817.50 : x
  2. Step 2: Convert to fraction form
    49,855.26/68,731.35 = 39,817.50/x
  3. Step 3: Cross multiply
    49,855.26x = 68,731.35 × 39,817.50
  4. Step 4: Simplify right side
    49,855.26x = 2,736,710,528.63
  5. Step 5: Solve for x
    x = 2,736,710,528.63/49,855.26
  6. Step 6: Final answer
    x = 54,893.12

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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.