Home / 20,708.01-31,045.01-7,551.99

Finding the Fourth Proportional to 20,708.01, 31,045.01 and 7,551.99

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Solution

The fourth proportional to 20,708.01, 31,045.01 and 7,551.99 is: 11,321.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,708.01 : 31,045.01 = 7,551.99 : x
  2. Step 2: Convert to fraction form
    20,708.01/31,045.01 = 7,551.99/x
  3. Step 3: Cross multiply
    20,708.01x = 31,045.01 × 7,551.99
  4. Step 4: Simplify right side
    20,708.01x = 234,451,567.31
  5. Step 5: Solve for x
    x = 234,451,567.31/20,708.01
  6. Step 6: Final answer
    x = 11,321.78

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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.