Home / 51,866.20-71,572.44-30,647.44

Finding the Fourth Proportional to 51,866.20, 71,572.44 and 30,647.44

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Solution

The fourth proportional to 51,866.20, 71,572.44 and 30,647.44 is: 42,291.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,866.20 : 71,572.44 = 30,647.44 : x
  2. Step 2: Convert to fraction form
    51,866.20/71,572.44 = 30,647.44/x
  3. Step 3: Cross multiply
    51,866.20x = 71,572.44 × 30,647.44
  4. Step 4: Simplify right side
    51,866.20x = 2,193,512,060.55
  5. Step 5: Solve for x
    x = 2,193,512,060.55/51,866.20
  6. Step 6: Final answer
    x = 42,291.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.