Home / 51,370.70-77,044.19-19,770.36

Finding the Fourth Proportional to 51,370.70, 77,044.19 and 19,770.36

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Solution

The fourth proportional to 51,370.70, 77,044.19 and 19,770.36 is: 29,650.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,370.70 : 77,044.19 = 19,770.36 : x
  2. Step 2: Convert to fraction form
    51,370.70/77,044.19 = 19,770.36/x
  3. Step 3: Cross multiply
    51,370.70x = 77,044.19 × 19,770.36
  4. Step 4: Simplify right side
    51,370.70x = 1,523,191,273.36
  5. Step 5: Solve for x
    x = 1,523,191,273.36/51,370.70
  6. Step 6: Final answer
    x = 29,650.98

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1.5x scale

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.