Home / 47,074.89-70,612.28-12,014.54

Finding the Fourth Proportional to 47,074.89, 70,612.28 and 12,014.54

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Solution

The fourth proportional to 47,074.89, 70,612.28 and 12,014.54 is: 18,021.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,074.89 : 70,612.28 = 12,014.54 : x
  2. Step 2: Convert to fraction form
    47,074.89/70,612.28 = 12,014.54/x
  3. Step 3: Cross multiply
    47,074.89x = 70,612.28 × 12,014.54
  4. Step 4: Simplify right side
    47,074.89x = 848,374,062.55
  5. Step 5: Solve for x
    x = 848,374,062.55/47,074.89
  6. Step 6: Final answer
    x = 18,021.80

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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.