Home / 34,753.12-52,129.64-13,971.76

Finding the Fourth Proportional to 34,753.12, 52,129.64 and 13,971.76

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Solution

The fourth proportional to 34,753.12, 52,129.64 and 13,971.76 is: 20,957.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,753.12 : 52,129.64 = 13,971.76 : x
  2. Step 2: Convert to fraction form
    34,753.12/52,129.64 = 13,971.76/x
  3. Step 3: Cross multiply
    34,753.12x = 52,129.64 × 13,971.76
  4. Step 4: Simplify right side
    34,753.12x = 728,342,818.97
  5. Step 5: Solve for x
    x = 728,342,818.97/34,753.12
  6. Step 6: Final answer
    x = 20,957.62

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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.