Home / 47,600.13-71,415.12-28,645.44

Finding the Fourth Proportional to 47,600.13, 71,415.12 and 28,645.44

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Solution

The fourth proportional to 47,600.13, 71,415.12 and 28,645.44 is: 42,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,600.13 : 71,415.12 = 28,645.44 : x
  2. Step 2: Convert to fraction form
    47,600.13/71,415.12 = 28,645.44/x
  3. Step 3: Cross multiply
    47,600.13x = 71,415.12 × 28,645.44
  4. Step 4: Simplify right side
    47,600.13x = 2,045,717,735.54
  5. Step 5: Solve for x
    x = 2,045,717,735.54/47,600.13
  6. Step 6: Final answer
    x = 42,977.15

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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.