Home / 36,016.40-54,048.90-21,209.60

Finding the Fourth Proportional to 36,016.40, 54,048.90 and 21,209.60

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Solution

The fourth proportional to 36,016.40, 54,048.90 and 21,209.60 is: 31,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,016.40 : 54,048.90 = 21,209.60 : x
  2. Step 2: Convert to fraction form
    36,016.40/54,048.90 = 21,209.60/x
  3. Step 3: Cross multiply
    36,016.40x = 54,048.90 × 21,209.60
  4. Step 4: Simplify right side
    36,016.40x = 1,146,355,549.44
  5. Step 5: Solve for x
    x = 1,146,355,549.44/36,016.40
  6. Step 6: Final answer
    x = 31,828.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.