Home / 47,211.68-70,826.80-15,620.48

Finding the Fourth Proportional to 47,211.68, 70,826.80 and 15,620.48

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Solution

The fourth proportional to 47,211.68, 70,826.80 and 15,620.48 is: 23,433.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,211.68 : 70,826.80 = 15,620.48 : x
  2. Step 2: Convert to fraction form
    47,211.68/70,826.80 = 15,620.48/x
  3. Step 3: Cross multiply
    47,211.68x = 70,826.80 × 15,620.48
  4. Step 4: Simplify right side
    47,211.68x = 1,106,348,612.86
  5. Step 5: Solve for x
    x = 1,106,348,612.86/47,211.68
  6. Step 6: Final answer
    x = 23,433.79

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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.