Home / 47,814.80-71,695.20-18,233.60

Finding the Fourth Proportional to 47,814.80, 71,695.20 and 18,233.60

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Solution

The fourth proportional to 47,814.80, 71,695.20 and 18,233.60 is: 27,340.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,814.80 : 71,695.20 = 18,233.60 : x
  2. Step 2: Convert to fraction form
    47,814.80/71,695.20 = 18,233.60/x
  3. Step 3: Cross multiply
    47,814.80x = 71,695.20 × 18,233.60
  4. Step 4: Simplify right side
    47,814.80x = 1,307,261,598.72
  5. Step 5: Solve for x
    x = 1,307,261,598.72/47,814.80
  6. Step 6: Final answer
    x = 27,340.10

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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.