Home / 31,146.35-46,725.67-11,425.07

Finding the Fourth Proportional to 31,146.35, 46,725.67 and 11,425.07

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Solution

The fourth proportional to 31,146.35, 46,725.67 and 11,425.07 is: 17,139.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,146.35 : 46,725.67 = 11,425.07 : x
  2. Step 2: Convert to fraction form
    31,146.35/46,725.67 = 11,425.07/x
  3. Step 3: Cross multiply
    31,146.35x = 46,725.67 × 11,425.07
  4. Step 4: Simplify right side
    31,146.35x = 533,844,181.64
  5. Step 5: Solve for x
    x = 533,844,181.64/31,146.35
  6. Step 6: Final answer
    x = 17,139.87

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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.