Home / 49,114.20-67,792.50-28,969.50

Finding the Fourth Proportional to 49,114.20, 67,792.50 and 28,969.50

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Solution

The fourth proportional to 49,114.20, 67,792.50 and 28,969.50 is: 39,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,114.20 : 67,792.50 = 28,969.50 : x
  2. Step 2: Convert to fraction form
    49,114.20/67,792.50 = 28,969.50/x
  3. Step 3: Cross multiply
    49,114.20x = 67,792.50 × 28,969.50
  4. Step 4: Simplify right side
    49,114.20x = 1,963,914,828.75
  5. Step 5: Solve for x
    x = 1,963,914,828.75/49,114.20
  6. Step 6: Final answer
    x = 39,986.70

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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.