Home / 47,181.71-70,781.84-15,590.50

Finding the Fourth Proportional to 47,181.71, 70,781.84 and 15,590.50

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Solution

The fourth proportional to 47,181.71, 70,781.84 and 15,590.50 is: 23,388.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,181.71 : 70,781.84 = 15,590.50 : x
  2. Step 2: Convert to fraction form
    47,181.71/70,781.84 = 15,590.50/x
  3. Step 3: Cross multiply
    47,181.71x = 70,781.84 × 15,590.50
  4. Step 4: Simplify right side
    47,181.71x = 1,103,524,276.52
  5. Step 5: Solve for x
    x = 1,103,524,276.52/47,181.71
  6. Step 6: Final answer
    x = 23,388.81

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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.