Home / 34,769.30-52,130.90-12,579.75

Finding the Fourth Proportional to 34,769.30, 52,130.90 and 12,579.75

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Solution

The fourth proportional to 34,769.30, 52,130.90 and 12,579.75 is: 18,861.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,769.30 : 52,130.90 = 12,579.75 : x
  2. Step 2: Convert to fraction form
    34,769.30/52,130.90 = 12,579.75/x
  3. Step 3: Cross multiply
    34,769.30x = 52,130.90 × 12,579.75
  4. Step 4: Simplify right side
    34,769.30x = 655,793,720.72
  5. Step 5: Solve for x
    x = 655,793,720.72/34,769.30
  6. Step 6: Final answer
    x = 18,861.29

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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.