Home / 20,543.27-30,814.83-4,960.89

Finding the Fourth Proportional to 20,543.27, 30,814.83 and 4,960.89

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Solution

The fourth proportional to 20,543.27, 30,814.83 and 4,960.89 is: 7,441.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,543.27 : 30,814.83 = 4,960.89 : x
  2. Step 2: Convert to fraction form
    20,543.27/30,814.83 = 4,960.89/x
  3. Step 3: Cross multiply
    20,543.27x = 30,814.83 × 4,960.89
  4. Step 4: Simplify right side
    20,543.27x = 152,868,982.00
  5. Step 5: Solve for x
    x = 152,868,982.00/20,543.27
  6. Step 6: Final answer
    x = 7,441.32

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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.