Home / 54,765.75-82,173.33-31,392.21

Finding the Fourth Proportional to 54,765.75, 82,173.33 and 31,392.21

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Solution

The fourth proportional to 54,765.75, 82,173.33 and 31,392.21 is: 47,102.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,765.75 : 82,173.33 = 31,392.21 : x
  2. Step 2: Convert to fraction form
    54,765.75/82,173.33 = 31,392.21/x
  3. Step 3: Cross multiply
    54,765.75x = 82,173.33 × 31,392.21
  4. Step 4: Simplify right side
    54,765.75x = 2,579,602,431.76
  5. Step 5: Solve for x
    x = 2,579,602,431.76/54,765.75
  6. Step 6: Final answer
    x = 47,102.48

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1.5x scale

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.