Home / 20,837.96-31,222.86-20,060.36

Finding the Fourth Proportional to 20,837.96, 31,222.86 and 20,060.36

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Solution

The fourth proportional to 20,837.96, 31,222.86 and 20,060.36 is: 30,057.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837.96 : 31,222.86 = 20,060.36 : x
  2. Step 2: Convert to fraction form
    20,837.96/31,222.86 = 20,060.36/x
  3. Step 3: Cross multiply
    20,837.96x = 31,222.86 × 20,060.36
  4. Step 4: Simplify right side
    20,837.96x = 626,341,811.83
  5. Step 5: Solve for x
    x = 626,341,811.83/20,837.96
  6. Step 6: Final answer
    x = 30,057.73

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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.