Home / 47,712.87-71,562.02-12,652.22

Finding the Fourth Proportional to 47,712.87, 71,562.02 and 12,652.22

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Solution

The fourth proportional to 47,712.87, 71,562.02 and 12,652.22 is: 18,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,712.87 : 71,562.02 = 12,652.22 : x
  2. Step 2: Convert to fraction form
    47,712.87/71,562.02 = 12,652.22/x
  3. Step 3: Cross multiply
    47,712.87x = 71,562.02 × 12,652.22
  4. Step 4: Simplify right side
    47,712.87x = 905,418,536.33
  5. Step 5: Solve for x
    x = 905,418,536.33/47,712.87
  6. Step 6: Final answer
    x = 18,976.40

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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.