Home / 31,867.48-43,977.15-17,720.02

Finding the Fourth Proportional to 31,867.48, 43,977.15 and 17,720.02

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Solution

The fourth proportional to 31,867.48, 43,977.15 and 17,720.02 is: 24,453.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,867.48 : 43,977.15 = 17,720.02 : x
  2. Step 2: Convert to fraction form
    31,867.48/43,977.15 = 17,720.02/x
  3. Step 3: Cross multiply
    31,867.48x = 43,977.15 × 17,720.02
  4. Step 4: Simplify right side
    31,867.48x = 779,275,834.98
  5. Step 5: Solve for x
    x = 779,275,834.98/31,867.48
  6. Step 6: Final answer
    x = 24,453.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.