Home / 20,601.67-30,902.57-5,810.59

Finding the Fourth Proportional to 20,601.67, 30,902.57 and 5,810.59

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Solution

The fourth proportional to 20,601.67, 30,902.57 and 5,810.59 is: 8,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,601.67 : 30,902.57 = 5,810.59 : x
  2. Step 2: Convert to fraction form
    20,601.67/30,902.57 = 5,810.59/x
  3. Step 3: Cross multiply
    20,601.67x = 30,902.57 × 5,810.59
  4. Step 4: Simplify right side
    20,601.67x = 179,562,007.45
  5. Step 5: Solve for x
    x = 179,562,007.45/20,601.67
  6. Step 6: Final answer
    x = 8,715.90

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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.