Home / 31,725.74-43,785.40-18,296.98

Finding the Fourth Proportional to 31,725.74, 43,785.40 and 18,296.98

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Solution

The fourth proportional to 31,725.74, 43,785.40 and 18,296.98 is: 25,252.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,725.74 : 43,785.40 = 18,296.98 : x
  2. Step 2: Convert to fraction form
    31,725.74/43,785.40 = 18,296.98/x
  3. Step 3: Cross multiply
    31,725.74x = 43,785.40 × 18,296.98
  4. Step 4: Simplify right side
    31,725.74x = 801,140,588.09
  5. Step 5: Solve for x
    x = 801,140,588.09/31,725.74
  6. Step 6: Final answer
    x = 25,252.07

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1.5x scale

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.