Home / 35,861.46-53,791.58-12,487.29

Finding the Fourth Proportional to 35,861.46, 53,791.58 and 12,487.29

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Solution

The fourth proportional to 35,861.46, 53,791.58 and 12,487.29 is: 18,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,861.46 : 53,791.58 = 12,487.29 : x
  2. Step 2: Convert to fraction form
    35,861.46/53,791.58 = 12,487.29/x
  3. Step 3: Cross multiply
    35,861.46x = 53,791.58 × 12,487.29
  4. Step 4: Simplify right side
    35,861.46x = 671,711,022.25
  5. Step 5: Solve for x
    x = 671,711,022.25/35,861.46
  6. Step 6: Final answer
    x = 18,730.72

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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.