Home / 51,273.08-76,915.11-21,693.91

Finding the Fourth Proportional to 51,273.08, 76,915.11 and 21,693.91

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Solution

The fourth proportional to 51,273.08, 76,915.11 and 21,693.91 is: 32,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,273.08 : 76,915.11 = 21,693.91 : x
  2. Step 2: Convert to fraction form
    51,273.08/76,915.11 = 21,693.91/x
  3. Step 3: Cross multiply
    51,273.08x = 76,915.11 × 21,693.91
  4. Step 4: Simplify right side
    51,273.08x = 1,668,589,473.98
  5. Step 5: Solve for x
    x = 1,668,589,473.98/51,273.08
  6. Step 6: Final answer
    x = 32,543.19

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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.