Home / 47,559.15-71,665.90-39,422.30

Finding the Fourth Proportional to 47,559.15, 71,665.90 and 39,422.30

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Solution

The fourth proportional to 47,559.15, 71,665.90 and 39,422.30 is: 59,404.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,559.15 : 71,665.90 = 39,422.30 : x
  2. Step 2: Convert to fraction form
    47,559.15/71,665.90 = 39,422.30/x
  3. Step 3: Cross multiply
    47,559.15x = 71,665.90 × 39,422.30
  4. Step 4: Simplify right side
    47,559.15x = 2,825,234,152.68
  5. Step 5: Solve for x
    x = 2,825,234,152.68/47,559.15
  6. Step 6: Final answer
    x = 59,404.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.