Home / 47,999.20-71,998.80-16,837.60

Finding the Fourth Proportional to 47,999.20, 71,998.80 and 16,837.60

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Solution

The fourth proportional to 47,999.20, 71,998.80 and 16,837.60 is: 25,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,999.20 : 71,998.80 = 16,837.60 : x
  2. Step 2: Convert to fraction form
    47,999.20/71,998.80 = 16,837.60/x
  3. Step 3: Cross multiply
    47,999.20x = 71,998.80 × 16,837.60
  4. Step 4: Simplify right side
    47,999.20x = 1,212,286,994.88
  5. Step 5: Solve for x
    x = 1,212,286,994.88/47,999.20
  6. Step 6: Final answer
    x = 25,256.40

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1.5x scale

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.