Home / 31,321.08-43,223.76-19,056.33

Finding the Fourth Proportional to 31,321.08, 43,223.76 and 19,056.33

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Solution

The fourth proportional to 31,321.08, 43,223.76 and 19,056.33 is: 26,298.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,321.08 : 43,223.76 = 19,056.33 : x
  2. Step 2: Convert to fraction form
    31,321.08/43,223.76 = 19,056.33/x
  3. Step 3: Cross multiply
    31,321.08x = 43,223.76 × 19,056.33
  4. Step 4: Simplify right side
    31,321.08x = 823,686,234.40
  5. Step 5: Solve for x
    x = 823,686,234.40/31,321.08
  6. Step 6: Final answer
    x = 26,298.14

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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.