Home / 36,918.70-50,944.76-20,787.48

Finding the Fourth Proportional to 36,918.70, 50,944.76 and 20,787.48

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Solution

The fourth proportional to 36,918.70, 50,944.76 and 20,787.48 is: 28,685.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,918.70 : 50,944.76 = 20,787.48 : x
  2. Step 2: Convert to fraction form
    36,918.70/50,944.76 = 20,787.48/x
  3. Step 3: Cross multiply
    36,918.70x = 50,944.76 × 20,787.48
  4. Step 4: Simplify right side
    36,918.70x = 1,059,012,967.78
  5. Step 5: Solve for x
    x = 1,059,012,967.78/36,918.70
  6. Step 6: Final answer
    x = 28,685.00

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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.