Home / 20,471.46-30,495.92-19,851.96

Finding the Fourth Proportional to 20,471.46, 30,495.92 and 19,851.96

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Solution

The fourth proportional to 20,471.46, 30,495.92 and 19,851.96 is: 29,573.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,471.46 : 30,495.92 = 19,851.96 : x
  2. Step 2: Convert to fraction form
    20,471.46/30,495.92 = 19,851.96/x
  3. Step 3: Cross multiply
    20,471.46x = 30,495.92 × 19,851.96
  4. Step 4: Simplify right side
    20,471.46x = 605,403,784.00
  5. Step 5: Solve for x
    x = 605,403,784.00/20,471.46
  6. Step 6: Final answer
    x = 29,573.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.