Home / 54,039.14-74,573.72-31,383.70

Finding the Fourth Proportional to 54,039.14, 74,573.72 and 31,383.70

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Solution

The fourth proportional to 54,039.14, 74,573.72 and 31,383.70 is: 43,309.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,039.14 : 74,573.72 = 31,383.70 : x
  2. Step 2: Convert to fraction form
    54,039.14/74,573.72 = 31,383.70/x
  3. Step 3: Cross multiply
    54,039.14x = 74,573.72 × 31,383.70
  4. Step 4: Simplify right side
    54,039.14x = 2,340,399,256.36
  5. Step 5: Solve for x
    x = 2,340,399,256.36/54,039.14
  6. Step 6: Final answer
    x = 43,309.34

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1.5x scale

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.