Home / 47,917.20-71,886.37-14,639.86

Finding the Fourth Proportional to 47,917.20, 71,886.37 and 14,639.86

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Solution

The fourth proportional to 47,917.20, 71,886.37 and 14,639.86 is: 21,963.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,917.20 : 71,886.37 = 14,639.86 : x
  2. Step 2: Convert to fraction form
    47,917.20/71,886.37 = 14,639.86/x
  3. Step 3: Cross multiply
    47,917.20x = 71,886.37 × 14,639.86
  4. Step 4: Simplify right side
    47,917.20x = 1,052,406,392.71
  5. Step 5: Solve for x
    x = 1,052,406,392.71/47,917.20
  6. Step 6: Final answer
    x = 21,963.02

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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.