Home / 51,532.40-77,181.24-30,712.88

Finding the Fourth Proportional to 51,532.40, 77,181.24 and 30,712.88

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Solution

The fourth proportional to 51,532.40, 77,181.24 and 30,712.88 is: 45,999.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,532.40 : 77,181.24 = 30,712.88 : x
  2. Step 2: Convert to fraction form
    51,532.40/77,181.24 = 30,712.88/x
  3. Step 3: Cross multiply
    51,532.40x = 77,181.24 × 30,712.88
  4. Step 4: Simplify right side
    51,532.40x = 2,370,458,162.37
  5. Step 5: Solve for x
    x = 2,370,458,162.37/51,532.40
  6. Step 6: Final answer
    x = 45,999.37

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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.