Home / 51,129.36-70,540.26-29,607.36

Finding the Fourth Proportional to 51,129.36, 70,540.26 and 29,607.36

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Solution

The fourth proportional to 51,129.36, 70,540.26 and 29,607.36 is: 40,847.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,129.36 : 70,540.26 = 29,607.36 : x
  2. Step 2: Convert to fraction form
    51,129.36/70,540.26 = 29,607.36/x
  3. Step 3: Cross multiply
    51,129.36x = 70,540.26 × 29,607.36
  4. Step 4: Simplify right side
    51,129.36x = 2,088,510,872.31
  5. Step 5: Solve for x
    x = 2,088,510,872.31/51,129.36
  6. Step 6: Final answer
    x = 40,847.58

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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.