Home / 51,464.89-77,186.53-14,520.25

Finding the Fourth Proportional to 51,464.89, 77,186.53 and 14,520.25

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Solution

The fourth proportional to 51,464.89, 77,186.53 and 14,520.25 is: 21,777.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,464.89 : 77,186.53 = 14,520.25 : x
  2. Step 2: Convert to fraction form
    51,464.89/77,186.53 = 14,520.25/x
  3. Step 3: Cross multiply
    51,464.89x = 77,186.53 × 14,520.25
  4. Step 4: Simplify right side
    51,464.89x = 1,120,767,712.23
  5. Step 5: Solve for x
    x = 1,120,767,712.23/51,464.89
  6. Step 6: Final answer
    x = 21,777.33

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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.