Home / 51,215.36-76,753.37-30,165.08

Finding the Fourth Proportional to 51,215.36, 76,753.37 and 30,165.08

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Solution

The fourth proportional to 51,215.36, 76,753.37 and 30,165.08 is: 45,206.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,215.36 : 76,753.37 = 30,165.08 : x
  2. Step 2: Convert to fraction form
    51,215.36/76,753.37 = 30,165.08/x
  3. Step 3: Cross multiply
    51,215.36x = 76,753.37 × 30,165.08
  4. Step 4: Simplify right side
    51,215.36x = 2,315,271,237.97
  5. Step 5: Solve for x
    x = 2,315,271,237.97/51,215.36
  6. Step 6: Final answer
    x = 45,206.58

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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.