Home / 47,072.61-70,587.37-28,105.85

Finding the Fourth Proportional to 47,072.61, 70,587.37 and 28,105.85

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Solution

The fourth proportional to 47,072.61, 70,587.37 and 28,105.85 is: 42,145.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,072.61 : 70,587.37 = 28,105.85 : x
  2. Step 2: Convert to fraction form
    47,072.61/70,587.37 = 28,105.85/x
  3. Step 3: Cross multiply
    47,072.61x = 70,587.37 × 28,105.85
  4. Step 4: Simplify right side
    47,072.61x = 1,983,918,033.11
  5. Step 5: Solve for x
    x = 1,983,918,033.11/47,072.61
  6. Step 6: Final answer
    x = 42,145.91

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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.