Home / 47,574.68-71,372.04-17,991.86

Finding the Fourth Proportional to 47,574.68, 71,372.04 and 17,991.86

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Solution

The fourth proportional to 47,574.68, 71,372.04 and 17,991.86 is: 26,991.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,574.68 : 71,372.04 = 17,991.86 : x
  2. Step 2: Convert to fraction form
    47,574.68/71,372.04 = 17,991.86/x
  3. Step 3: Cross multiply
    47,574.68x = 71,372.04 × 17,991.86
  4. Step 4: Simplify right side
    47,574.68x = 1,284,115,751.59
  5. Step 5: Solve for x
    x = 1,284,115,751.59/47,574.68
  6. Step 6: Final answer
    x = 26,991.58

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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.