Home / 53,308.20-79,962.30-13,861.96

Finding the Fourth Proportional to 53,308.20, 79,962.30 and 13,861.96

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Solution

The fourth proportional to 53,308.20, 79,962.30 and 13,861.96 is: 20,792.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,308.20 : 79,962.30 = 13,861.96 : x
  2. Step 2: Convert to fraction form
    53,308.20/79,962.30 = 13,861.96/x
  3. Step 3: Cross multiply
    53,308.20x = 79,962.30 × 13,861.96
  4. Step 4: Simplify right side
    53,308.20x = 1,108,434,204.11
  5. Step 5: Solve for x
    x = 1,108,434,204.11/53,308.20
  6. Step 6: Final answer
    x = 20,792.94

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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.