Home / 47,198.57-70,808.24-20,548.81

Finding the Fourth Proportional to 47,198.57, 70,808.24 and 20,548.81

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Solution

The fourth proportional to 47,198.57, 70,808.24 and 20,548.81 is: 30,827.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,198.57 : 70,808.24 = 20,548.81 : x
  2. Step 2: Convert to fraction form
    47,198.57/70,808.24 = 20,548.81/x
  3. Step 3: Cross multiply
    47,198.57x = 70,808.24 × 20,548.81
  4. Step 4: Simplify right side
    47,198.57x = 1,455,025,070.19
  5. Step 5: Solve for x
    x = 1,455,025,070.19/47,198.57
  6. Step 6: Final answer
    x = 30,827.74

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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.