Home / 47,651.93-71,480.46-12,590.63

Finding the Fourth Proportional to 47,651.93, 71,480.46 and 12,590.63

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Solution

The fourth proportional to 47,651.93, 71,480.46 and 12,590.63 is: 18,886.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,651.93 : 71,480.46 = 12,590.63 : x
  2. Step 2: Convert to fraction form
    47,651.93/71,480.46 = 12,590.63/x
  3. Step 3: Cross multiply
    47,651.93x = 71,480.46 × 12,590.63
  4. Step 4: Simplify right side
    47,651.93x = 899,984,024.09
  5. Step 5: Solve for x
    x = 899,984,024.09/47,651.93
  6. Step 6: Final answer
    x = 18,886.62

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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.