Home / 49,896.80-74,744.40-31,119.20

Finding the Fourth Proportional to 49,896.80, 74,744.40 and 31,119.20

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Solution

The fourth proportional to 49,896.80, 74,744.40 and 31,119.20 is: 46,615.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,896.80 : 74,744.40 = 31,119.20 : x
  2. Step 2: Convert to fraction form
    49,896.80/74,744.40 = 31,119.20/x
  3. Step 3: Cross multiply
    49,896.80x = 74,744.40 × 31,119.20
  4. Step 4: Simplify right side
    49,896.80x = 2,325,985,932.48
  5. Step 5: Solve for x
    x = 2,325,985,932.48/49,896.80
  6. Step 6: Final answer
    x = 46,615.93

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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.