Home / 30,354.75-45,446.26-16,090.72

Finding the Fourth Proportional to 30,354.75, 45,446.26 and 16,090.72

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Solution

The fourth proportional to 30,354.75, 45,446.26 and 16,090.72 is: 24,090.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,354.75 : 45,446.26 = 16,090.72 : x
  2. Step 2: Convert to fraction form
    30,354.75/45,446.26 = 16,090.72/x
  3. Step 3: Cross multiply
    30,354.75x = 45,446.26 × 16,090.72
  4. Step 4: Simplify right side
    30,354.75x = 731,263,044.71
  5. Step 5: Solve for x
    x = 731,263,044.71/30,354.75
  6. Step 6: Final answer
    x = 24,090.56

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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.