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Finding the Fourth Proportional to 36,813, 50,803.08 and 20,047.08

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Solution

The fourth proportional to 36,813, 50,803.08 and 20,047.08 is: 27,665.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,813 : 50,803.08 = 20,047.08 : x
  2. Step 2: Convert to fraction form
    36,813/50,803.08 = 20,047.08/x
  3. Step 3: Cross multiply
    36,813x = 50,803.08 × 20,047.08
  4. Step 4: Simplify right side
    36,813x = 1,018,453,409.01
  5. Step 5: Solve for x
    x = 1,018,453,409.01/36,813
  6. Step 6: Final answer
    x = 27,665.59

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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.