Home / 47,555.12-71,310.64-17,561.80

Finding the Fourth Proportional to 47,555.12, 71,310.64 and 17,561.80

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Solution

The fourth proportional to 47,555.12, 71,310.64 and 17,561.80 is: 26,334.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,555.12 : 71,310.64 = 17,561.80 : x
  2. Step 2: Convert to fraction form
    47,555.12/71,310.64 = 17,561.80/x
  3. Step 3: Cross multiply
    47,555.12x = 71,310.64 × 17,561.80
  4. Step 4: Simplify right side
    47,555.12x = 1,252,343,197.55
  5. Step 5: Solve for x
    x = 1,252,343,197.55/47,555.12
  6. Step 6: Final answer
    x = 26,334.56

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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.