Home / 51,118.07-76,575-40,605.89

Finding the Fourth Proportional to 51,118.07, 76,575 and 40,605.89

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Solution

The fourth proportional to 51,118.07, 76,575 and 40,605.89 is: 60,827.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,118.07 : 76,575 = 40,605.89 : x
  2. Step 2: Convert to fraction form
    51,118.07/76,575 = 40,605.89/x
  3. Step 3: Cross multiply
    51,118.07x = 76,575 × 40,605.89
  4. Step 4: Simplify right side
    51,118.07x = 3,109,396,026.75
  5. Step 5: Solve for x
    x = 3,109,396,026.75/51,118.07
  6. Step 6: Final answer
    x = 60,827.73

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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.