Home / 55,048.40-75,969.48-31,173.84

Finding the Fourth Proportional to 55,048.40, 75,969.48 and 31,173.84

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Solution

The fourth proportional to 55,048.40, 75,969.48 and 31,173.84 is: 43,021.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,048.40 : 75,969.48 = 31,173.84 : x
  2. Step 2: Convert to fraction form
    55,048.40/75,969.48 = 31,173.84/x
  3. Step 3: Cross multiply
    55,048.40x = 75,969.48 × 31,173.84
  4. Step 4: Simplify right side
    55,048.40x = 2,368,260,414.40
  5. Step 5: Solve for x
    x = 2,368,260,414.40/55,048.40
  6. Step 6: Final answer
    x = 43,021.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.