Home / 36,672.75-55,009.13-13,299.21

Finding the Fourth Proportional to 36,672.75, 55,009.13 and 13,299.21

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Solution

The fourth proportional to 36,672.75, 55,009.13 and 13,299.21 is: 19,948.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,672.75 : 55,009.13 = 13,299.21 : x
  2. Step 2: Convert to fraction form
    36,672.75/55,009.13 = 13,299.21/x
  3. Step 3: Cross multiply
    36,672.75x = 55,009.13 × 13,299.21
  4. Step 4: Simplify right side
    36,672.75x = 731,577,905.29
  5. Step 5: Solve for x
    x = 731,577,905.29/36,672.75
  6. Step 6: Final answer
    x = 19,948.82

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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.