Home / 51,707.88-71,355.30-29,351.72

Finding the Fourth Proportional to 51,707.88, 71,355.30 and 29,351.72

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Solution

The fourth proportional to 51,707.88, 71,355.30 and 29,351.72 is: 40,504.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,707.88 : 71,355.30 = 29,351.72 : x
  2. Step 2: Convert to fraction form
    51,707.88/71,355.30 = 29,351.72/x
  3. Step 3: Cross multiply
    51,707.88x = 71,355.30 × 29,351.72
  4. Step 4: Simplify right side
    51,707.88x = 2,094,400,786.12
  5. Step 5: Solve for x
    x = 2,094,400,786.12/51,707.88
  6. Step 6: Final answer
    x = 40,504.48

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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.