Home / 51,335.19-76,815.44-30,285.31

Finding the Fourth Proportional to 51,335.19, 76,815.44 and 30,285.31

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Solution

The fourth proportional to 51,335.19, 76,815.44 and 30,285.31 is: 45,317.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,335.19 : 76,815.44 = 30,285.31 : x
  2. Step 2: Convert to fraction form
    51,335.19/76,815.44 = 30,285.31/x
  3. Step 3: Cross multiply
    51,335.19x = 76,815.44 × 30,285.31
  4. Step 4: Simplify right side
    51,335.19x = 2,326,379,785.73
  5. Step 5: Solve for x
    x = 2,326,379,785.73/51,335.19
  6. Step 6: Final answer
    x = 45,317.45

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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.