Home / 74,047.36-110,970.39-31,317.27

Finding the Fourth Proportional to 74,047.36, 110,970.39 and 31,317.27

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Solution

The fourth proportional to 74,047.36, 110,970.39 and 31,317.27 is: 46,933.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,047.36 : 110,970.39 = 31,317.27 : x
  2. Step 2: Convert to fraction form
    74,047.36/110,970.39 = 31,317.27/x
  3. Step 3: Cross multiply
    74,047.36x = 110,970.39 × 31,317.27
  4. Step 4: Simplify right side
    74,047.36x = 3,475,289,665.64
  5. Step 5: Solve for x
    x = 3,475,289,665.64/74,047.36
  6. Step 6: Final answer
    x = 46,933.34

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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.