Home / 31,867.13-43,977.53-17,720.93

Finding the Fourth Proportional to 31,867.13, 43,977.53 and 17,720.93

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Solution

The fourth proportional to 31,867.13, 43,977.53 and 17,720.93 is: 24,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,867.13 : 43,977.53 = 17,720.93 : x
  2. Step 2: Convert to fraction form
    31,867.13/43,977.53 = 17,720.93/x
  3. Step 3: Cross multiply
    31,867.13x = 43,977.53 × 17,720.93
  4. Step 4: Simplify right side
    31,867.13x = 779,322,730.70
  5. Step 5: Solve for x
    x = 779,322,730.70/31,867.13
  6. Step 6: Final answer
    x = 24,455.38

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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.