Home / 51,315.38-76,914.72-21,714.74

Finding the Fourth Proportional to 51,315.38, 76,914.72 and 21,714.74

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Solution

The fourth proportional to 51,315.38, 76,914.72 and 21,714.74 is: 32,547.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,315.38 : 76,914.72 = 21,714.74 : x
  2. Step 2: Convert to fraction form
    51,315.38/76,914.72 = 21,714.74/x
  3. Step 3: Cross multiply
    51,315.38x = 76,914.72 × 21,714.74
  4. Step 4: Simplify right side
    51,315.38x = 1,670,183,146.97
  5. Step 5: Solve for x
    x = 1,670,183,146.97/51,315.38
  6. Step 6: Final answer
    x = 32,547.42

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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.