Home / 51,118.58-76,789.64-36,421.94

Finding the Fourth Proportional to 51,118.58, 76,789.64 and 36,421.94

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Solution

The fourth proportional to 51,118.58, 76,789.64 and 36,421.94 is: 54,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,118.58 : 76,789.64 = 36,421.94 : x
  2. Step 2: Convert to fraction form
    51,118.58/76,789.64 = 36,421.94/x
  3. Step 3: Cross multiply
    51,118.58x = 76,789.64 × 36,421.94
  4. Step 4: Simplify right side
    51,118.58x = 2,796,827,367.81
  5. Step 5: Solve for x
    x = 2,796,827,367.81/51,118.58
  6. Step 6: Final answer
    x = 54,712.55

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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.