Home / 36,156.55-49,853.55-28,980.73

Finding the Fourth Proportional to 36,156.55, 49,853.55 and 28,980.73

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Solution

The fourth proportional to 36,156.55, 49,853.55 and 28,980.73 is: 39,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,156.55 : 49,853.55 = 28,980.73 : x
  2. Step 2: Convert to fraction form
    36,156.55/49,853.55 = 28,980.73/x
  3. Step 3: Cross multiply
    36,156.55x = 49,853.55 × 28,980.73
  4. Step 4: Simplify right side
    36,156.55x = 1,444,792,272.09
  5. Step 5: Solve for x
    x = 1,444,792,272.09/36,156.55
  6. Step 6: Final answer
    x = 39,959.35

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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.