Home / 36,921.41-55,382.84-13,230.53

Finding the Fourth Proportional to 36,921.41, 55,382.84 and 13,230.53

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Solution

The fourth proportional to 36,921.41, 55,382.84 and 13,230.53 is: 19,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,921.41 : 55,382.84 = 13,230.53 : x
  2. Step 2: Convert to fraction form
    36,921.41/55,382.84 = 13,230.53/x
  3. Step 3: Cross multiply
    36,921.41x = 55,382.84 × 13,230.53
  4. Step 4: Simplify right side
    36,921.41x = 732,744,259.95
  5. Step 5: Solve for x
    x = 732,744,259.95/36,921.41
  6. Step 6: Final answer
    x = 19,846.05

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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.