Home / 47,035.76-70,458.86-31,249.68

Finding the Fourth Proportional to 47,035.76, 70,458.86 and 31,249.68

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Solution

The fourth proportional to 47,035.76, 70,458.86 and 31,249.68 is: 46,811.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,035.76 : 70,458.86 = 31,249.68 : x
  2. Step 2: Convert to fraction form
    47,035.76/70,458.86 = 31,249.68/x
  3. Step 3: Cross multiply
    47,035.76x = 70,458.86 × 31,249.68
  4. Step 4: Simplify right side
    47,035.76x = 2,201,816,828.16
  5. Step 5: Solve for x
    x = 2,201,816,828.16/47,035.76
  6. Step 6: Final answer
    x = 46,811.55

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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.