Home / 51,370.19-77,043.43-19,769.86

Finding the Fourth Proportional to 51,370.19, 77,043.43 and 19,769.86

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Solution

The fourth proportional to 51,370.19, 77,043.43 and 19,769.86 is: 29,650.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,370.19 : 77,043.43 = 19,769.86 : x
  2. Step 2: Convert to fraction form
    51,370.19/77,043.43 = 19,769.86/x
  3. Step 3: Cross multiply
    51,370.19x = 77,043.43 × 19,769.86
  4. Step 4: Simplify right side
    51,370.19x = 1,523,137,825.02
  5. Step 5: Solve for x
    x = 1,523,137,825.02/51,370.19
  6. Step 6: Final answer
    x = 29,650.23

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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.