Home / 49,735.08-68,636.16-28,223.64

Finding the Fourth Proportional to 49,735.08, 68,636.16 and 28,223.64

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Solution

The fourth proportional to 49,735.08, 68,636.16 and 28,223.64 is: 38,949.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,735.08 : 68,636.16 = 28,223.64 : x
  2. Step 2: Convert to fraction form
    49,735.08/68,636.16 = 28,223.64/x
  3. Step 3: Cross multiply
    49,735.08x = 68,636.16 × 28,223.64
  4. Step 4: Simplify right side
    49,735.08x = 1,937,162,270.82
  5. Step 5: Solve for x
    x = 1,937,162,270.82/49,735.08
  6. Step 6: Final answer
    x = 38,949.62

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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.