Home / 47,998.40-71,997.60-16,830.40

Finding the Fourth Proportional to 47,998.40, 71,997.60 and 16,830.40

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Solution

The fourth proportional to 47,998.40, 71,997.60 and 16,830.40 is: 25,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,998.40 : 71,997.60 = 16,830.40 : x
  2. Step 2: Convert to fraction form
    47,998.40/71,997.60 = 16,830.40/x
  3. Step 3: Cross multiply
    47,998.40x = 71,997.60 × 16,830.40
  4. Step 4: Simplify right side
    47,998.40x = 1,211,748,407.04
  5. Step 5: Solve for x
    x = 1,211,748,407.04/47,998.40
  6. Step 6: Final answer
    x = 25,245.60

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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.