Home / 36,913.19-50,935.43-20,778.46

Finding the Fourth Proportional to 36,913.19, 50,935.43 and 20,778.46

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Solution

The fourth proportional to 36,913.19, 50,935.43 and 20,778.46 is: 28,671.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,913.19 : 50,935.43 = 20,778.46 : x
  2. Step 2: Convert to fraction form
    36,913.19/50,935.43 = 20,778.46/x
  3. Step 3: Cross multiply
    36,913.19x = 50,935.43 × 20,778.46
  4. Step 4: Simplify right side
    36,913.19x = 1,058,359,719.45
  5. Step 5: Solve for x
    x = 1,058,359,719.45/36,913.19
  6. Step 6: Final answer
    x = 28,671.59

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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.