Home / 31,149.14-46,646.84-17,789.00

Finding the Fourth Proportional to 31,149.14, 46,646.84 and 17,789.00

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Solution

The fourth proportional to 31,149.14, 46,646.84 and 17,789.00 is: 26,639.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,149.14 : 46,646.84 = 17,789.00 : x
  2. Step 2: Convert to fraction form
    31,149.14/46,646.84 = 17,789.00/x
  3. Step 3: Cross multiply
    31,149.14x = 46,646.84 × 17,789.00
  4. Step 4: Simplify right side
    31,149.14x = 829,800,314.58
  5. Step 5: Solve for x
    x = 829,800,314.58/31,149.14
  6. Step 6: Final answer
    x = 26,639.59

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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.