Home / 54,358.75-75,015.21-31,713.31

Finding the Fourth Proportional to 54,358.75, 75,015.21 and 31,713.31

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Solution

The fourth proportional to 54,358.75, 75,015.21 and 31,713.31 is: 43,764.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,358.75 : 75,015.21 = 31,713.31 : x
  2. Step 2: Convert to fraction form
    54,358.75/75,015.21 = 31,713.31/x
  3. Step 3: Cross multiply
    54,358.75x = 75,015.21 × 31,713.31
  4. Step 4: Simplify right side
    54,358.75x = 2,378,980,609.45
  5. Step 5: Solve for x
    x = 2,378,980,609.45/54,358.75
  6. Step 6: Final answer
    x = 43,764.45

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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.