Home / 47,555.14-71,333.52-17,986.90

Finding the Fourth Proportional to 47,555.14, 71,333.52 and 17,986.90

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Solution

The fourth proportional to 47,555.14, 71,333.52 and 17,986.90 is: 26,980.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,555.14 : 71,333.52 = 17,986.90 : x
  2. Step 2: Convert to fraction form
    47,555.14/71,333.52 = 17,986.90/x
  3. Step 3: Cross multiply
    47,555.14x = 71,333.52 × 17,986.90
  4. Step 4: Simplify right side
    47,555.14x = 1,283,068,890.89
  5. Step 5: Solve for x
    x = 1,283,068,890.89/47,555.14
  6. Step 6: Final answer
    x = 26,980.66

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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.