Home / 49,515.37-68,319.32-28,005.55

Finding the Fourth Proportional to 49,515.37, 68,319.32 and 28,005.55

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Solution

The fourth proportional to 49,515.37, 68,319.32 and 28,005.55 is: 38,640.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,515.37 : 68,319.32 = 28,005.55 : x
  2. Step 2: Convert to fraction form
    49,515.37/68,319.32 = 28,005.55/x
  3. Step 3: Cross multiply
    49,515.37x = 68,319.32 × 28,005.55
  4. Step 4: Simplify right side
    49,515.37x = 1,913,319,821.40
  5. Step 5: Solve for x
    x = 1,913,319,821.40/49,515.37
  6. Step 6: Final answer
    x = 38,640.93

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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.