Home / 31,997.78-48,009.15-13,273.08

Finding the Fourth Proportional to 31,997.78, 48,009.15 and 13,273.08

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Solution

The fourth proportional to 31,997.78, 48,009.15 and 13,273.08 is: 19,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,997.78 : 48,009.15 = 13,273.08 : x
  2. Step 2: Convert to fraction form
    31,997.78/48,009.15 = 13,273.08/x
  3. Step 3: Cross multiply
    31,997.78x = 48,009.15 × 13,273.08
  4. Step 4: Simplify right side
    31,997.78x = 637,229,288.68
  5. Step 5: Solve for x
    x = 637,229,288.68/31,997.78
  6. Step 6: Final answer
    x = 19,914.80

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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.