Home / 35,156.76-52,735.18-12,960.52

Finding the Fourth Proportional to 35,156.76, 52,735.18 and 12,960.52

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Solution

The fourth proportional to 35,156.76, 52,735.18 and 12,960.52 is: 19,440.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,156.76 : 52,735.18 = 12,960.52 : x
  2. Step 2: Convert to fraction form
    35,156.76/52,735.18 = 12,960.52/x
  3. Step 3: Cross multiply
    35,156.76x = 52,735.18 × 12,960.52
  4. Step 4: Simplify right side
    35,156.76x = 683,475,355.09
  5. Step 5: Solve for x
    x = 683,475,355.09/35,156.76
  6. Step 6: Final answer
    x = 19,440.79

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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.