Home / 55,048.40-75,968.58-31,174.56

Finding the Fourth Proportional to 55,048.40, 75,968.58 and 31,174.56

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Solution

The fourth proportional to 55,048.40, 75,968.58 and 31,174.56 is: 43,021.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,048.40 : 75,968.58 = 31,174.56 : x
  2. Step 2: Convert to fraction form
    55,048.40/75,968.58 = 31,174.56/x
  3. Step 3: Cross multiply
    55,048.40x = 75,968.58 × 31,174.56
  4. Step 4: Simplify right side
    55,048.40x = 2,368,287,055.32
  5. Step 5: Solve for x
    x = 2,368,287,055.32/55,048.40
  6. Step 6: Final answer
    x = 43,021.91

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