Home / 36,401.67-50,228.91-20,485.17

Finding the Fourth Proportional to 36,401.67, 50,228.91 and 20,485.17

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Solution

The fourth proportional to 36,401.67, 50,228.91 and 20,485.17 is: 28,266.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,401.67 : 50,228.91 = 20,485.17 : x
  2. Step 2: Convert to fraction form
    36,401.67/50,228.91 = 20,485.17/x
  3. Step 3: Cross multiply
    36,401.67x = 50,228.91 × 20,485.17
  4. Step 4: Simplify right side
    36,401.67x = 1,028,947,760.26
  5. Step 5: Solve for x
    x = 1,028,947,760.26/36,401.67
  6. Step 6: Final answer
    x = 28,266.50

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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.