Home / 30,252.78-45,381.60-8,066.07

Finding the Fourth Proportional to 30,252.78, 45,381.60 and 8,066.07

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Solution

The fourth proportional to 30,252.78, 45,381.60 and 8,066.07 is: 12,099.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,252.78 : 45,381.60 = 8,066.07 : x
  2. Step 2: Convert to fraction form
    30,252.78/45,381.60 = 8,066.07/x
  3. Step 3: Cross multiply
    30,252.78x = 45,381.60 × 8,066.07
  4. Step 4: Simplify right side
    30,252.78x = 366,051,162.31
  5. Step 5: Solve for x
    x = 366,051,162.31/30,252.78
  6. Step 6: Final answer
    x = 12,099.75

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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.