Home / 31,159.80-46,686.52-17,131.58

Finding the Fourth Proportional to 31,159.80, 46,686.52 and 17,131.58

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Solution

The fourth proportional to 31,159.80, 46,686.52 and 17,131.58 is: 25,668.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,159.80 : 46,686.52 = 17,131.58 : x
  2. Step 2: Convert to fraction form
    31,159.80/46,686.52 = 17,131.58/x
  3. Step 3: Cross multiply
    31,159.80x = 46,686.52 × 17,131.58
  4. Step 4: Simplify right side
    31,159.80x = 799,813,576.04
  5. Step 5: Solve for x
    x = 799,813,576.04/31,159.80
  6. Step 6: Final answer
    x = 25,668.12

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1.5x scale

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.