Home / 47,125.82-70,782.28-28,186.94

Finding the Fourth Proportional to 47,125.82, 70,782.28 and 28,186.94

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Solution

The fourth proportional to 47,125.82, 70,782.28 and 28,186.94 is: 42,336.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,125.82 : 70,782.28 = 28,186.94 : x
  2. Step 2: Convert to fraction form
    47,125.82/70,782.28 = 28,186.94/x
  3. Step 3: Cross multiply
    47,125.82x = 70,782.28 × 28,186.94
  4. Step 4: Simplify right side
    47,125.82x = 1,995,135,879.42
  5. Step 5: Solve for x
    x = 1,995,135,879.42/47,125.82
  6. Step 6: Final answer
    x = 42,336.36

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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.