Home / 36,393.81-50,222.34-20,477.31

Finding the Fourth Proportional to 36,393.81, 50,222.34 and 20,477.31

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Solution

The fourth proportional to 36,393.81, 50,222.34 and 20,477.31 is: 28,258.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,393.81 : 50,222.34 = 20,477.31 : x
  2. Step 2: Convert to fraction form
    36,393.81/50,222.34 = 20,477.31/x
  3. Step 3: Cross multiply
    36,393.81x = 50,222.34 × 20,477.31
  4. Step 4: Simplify right side
    36,393.81x = 1,028,418,425.11
  5. Step 5: Solve for x
    x = 1,028,418,425.11/36,393.81
  6. Step 6: Final answer
    x = 28,258.06

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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.