Home / 31,753.78-47,640.54-13,035.34

Finding the Fourth Proportional to 31,753.78, 47,640.54 and 13,035.34

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Solution

The fourth proportional to 31,753.78, 47,640.54 and 13,035.34 is: 19,557.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,753.78 : 47,640.54 = 13,035.34 : x
  2. Step 2: Convert to fraction form
    31,753.78/47,640.54 = 13,035.34/x
  3. Step 3: Cross multiply
    31,753.78x = 47,640.54 × 13,035.34
  4. Step 4: Simplify right side
    31,753.78x = 621,010,636.68
  5. Step 5: Solve for x
    x = 621,010,636.68/31,753.78
  6. Step 6: Final answer
    x = 19,557.06

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1.5x scale

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.