Home / 31,001.39-46,508.07-13,231.79

Finding the Fourth Proportional to 31,001.39, 46,508.07 and 13,231.79

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Solution

The fourth proportional to 31,001.39, 46,508.07 and 13,231.79 is: 19,850.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,001.39 : 46,508.07 = 13,231.79 : x
  2. Step 2: Convert to fraction form
    31,001.39/46,508.07 = 13,231.79/x
  3. Step 3: Cross multiply
    31,001.39x = 46,508.07 × 13,231.79
  4. Step 4: Simplify right side
    31,001.39x = 615,385,015.55
  5. Step 5: Solve for x
    x = 615,385,015.55/31,001.39
  6. Step 6: Final answer
    x = 19,850.24

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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.