Home / 47,019.60-70,553.66-31,235.54

Finding the Fourth Proportional to 47,019.60, 70,553.66 and 31,235.54

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Solution

The fourth proportional to 47,019.60, 70,553.66 and 31,235.54 is: 46,869.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,019.60 : 70,553.66 = 31,235.54 : x
  2. Step 2: Convert to fraction form
    47,019.60/70,553.66 = 31,235.54/x
  3. Step 3: Cross multiply
    47,019.60x = 70,553.66 × 31,235.54
  4. Step 4: Simplify right side
    47,019.60x = 2,203,781,160.13
  5. Step 5: Solve for x
    x = 2,203,781,160.13/47,019.60
  6. Step 6: Final answer
    x = 46,869.42

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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.