Home / 51,157.48-76,656.60-19,550.28

Finding the Fourth Proportional to 51,157.48, 76,656.60 and 19,550.28

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Solution

The fourth proportional to 51,157.48, 76,656.60 and 19,550.28 is: 29,294.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,157.48 : 76,656.60 = 19,550.28 : x
  2. Step 2: Convert to fraction form
    51,157.48/76,656.60 = 19,550.28/x
  3. Step 3: Cross multiply
    51,157.48x = 76,656.60 × 19,550.28
  4. Step 4: Simplify right side
    51,157.48x = 1,498,657,993.85
  5. Step 5: Solve for x
    x = 1,498,657,993.85/51,157.48
  6. Step 6: Final answer
    x = 29,294.99

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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.