Home / 36,308.10-54,440.55-18,812.10

Finding the Fourth Proportional to 36,308.10, 54,440.55 and 18,812.10

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Solution

The fourth proportional to 36,308.10, 54,440.55 and 18,812.10 is: 28,206.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,308.10 : 54,440.55 = 18,812.10 : x
  2. Step 2: Convert to fraction form
    36,308.10/54,440.55 = 18,812.10/x
  3. Step 3: Cross multiply
    36,308.10x = 54,440.55 × 18,812.10
  4. Step 4: Simplify right side
    36,308.10x = 1,024,141,070.66
  5. Step 5: Solve for x
    x = 1,024,141,070.66/36,308.10
  6. Step 6: Final answer
    x = 28,206.96

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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.