Home / 49,085.07-67,735.87-28,943.20

Finding the Fourth Proportional to 49,085.07, 67,735.87 and 28,943.20

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Solution

The fourth proportional to 49,085.07, 67,735.87 and 28,943.20 is: 39,940.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,085.07 : 67,735.87 = 28,943.20 : x
  2. Step 2: Convert to fraction form
    49,085.07/67,735.87 = 28,943.20/x
  3. Step 3: Cross multiply
    49,085.07x = 67,735.87 × 28,943.20
  4. Step 4: Simplify right side
    49,085.07x = 1,960,492,832.58
  5. Step 5: Solve for x
    x = 1,960,492,832.58/49,085.07
  6. Step 6: Final answer
    x = 39,940.72

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1.5x scale

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.