Home / 47,161.39-70,623.79-28,174.32

Finding the Fourth Proportional to 47,161.39, 70,623.79 and 28,174.32

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Solution

The fourth proportional to 47,161.39, 70,623.79 and 28,174.32 is: 42,190.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,161.39 : 70,623.79 = 28,174.32 : x
  2. Step 2: Convert to fraction form
    47,161.39/70,623.79 = 28,174.32/x
  3. Step 3: Cross multiply
    47,161.39x = 70,623.79 × 28,174.32
  4. Step 4: Simplify right side
    47,161.39x = 1,989,777,217.00
  5. Step 5: Solve for x
    x = 1,989,777,217.00/47,161.39
  6. Step 6: Final answer
    x = 42,190.81

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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.