Home / 30,739.71-46,091.09-20,849.01

Finding the Fourth Proportional to 30,739.71, 46,091.09 and 20,849.01

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Solution

The fourth proportional to 30,739.71, 46,091.09 and 20,849.01 is: 31,260.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,739.71 : 46,091.09 = 20,849.01 : x
  2. Step 2: Convert to fraction form
    30,739.71/46,091.09 = 20,849.01/x
  3. Step 3: Cross multiply
    30,739.71x = 46,091.09 × 20,849.01
  4. Step 4: Simplify right side
    30,739.71x = 960,953,475.60
  5. Step 5: Solve for x
    x = 960,953,475.60/30,739.71
  6. Step 6: Final answer
    x = 31,260.98

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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.