Home / 36,085.38-49,798.72-20,172.48

Finding the Fourth Proportional to 36,085.38, 49,798.72 and 20,172.48

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Solution

The fourth proportional to 36,085.38, 49,798.72 and 20,172.48 is: 27,838.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,085.38 : 49,798.72 = 20,172.48 : x
  2. Step 2: Convert to fraction form
    36,085.38/49,798.72 = 20,172.48/x
  3. Step 3: Cross multiply
    36,085.38x = 49,798.72 × 20,172.48
  4. Step 4: Simplify right side
    36,085.38x = 1,004,563,683.23
  5. Step 5: Solve for x
    x = 1,004,563,683.23/36,085.38
  6. Step 6: Final answer
    x = 27,838.52

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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.