Home / 47,195.56-70,784.34-13,917.16

Finding the Fourth Proportional to 47,195.56, 70,784.34 and 13,917.16

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Solution

The fourth proportional to 47,195.56, 70,784.34 and 13,917.16 is: 20,873.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,195.56 : 70,784.34 = 13,917.16 : x
  2. Step 2: Convert to fraction form
    47,195.56/70,784.34 = 13,917.16/x
  3. Step 3: Cross multiply
    47,195.56x = 70,784.34 × 13,917.16
  4. Step 4: Simplify right side
    47,195.56x = 985,116,985.27
  5. Step 5: Solve for x
    x = 985,116,985.27/47,195.56
  6. Step 6: Final answer
    x = 20,873.09

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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.