Home / 20,081.39-30,102.26-9,532.89

Finding the Fourth Proportional to 20,081.39, 30,102.26 and 9,532.89

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Solution

The fourth proportional to 20,081.39, 30,102.26 and 9,532.89 is: 14,289.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,081.39 : 30,102.26 = 9,532.89 : x
  2. Step 2: Convert to fraction form
    20,081.39/30,102.26 = 9,532.89/x
  3. Step 3: Cross multiply
    20,081.39x = 30,102.26 × 9,532.89
  4. Step 4: Simplify right side
    20,081.39x = 286,961,485.67
  5. Step 5: Solve for x
    x = 286,961,485.67/20,081.39
  6. Step 6: Final answer
    x = 14,289.93

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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.