Home / 36,913.13-55,330.82-18,406.25

Finding the Fourth Proportional to 36,913.13, 55,330.82 and 18,406.25

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Solution

The fourth proportional to 36,913.13, 55,330.82 and 18,406.25 is: 27,589.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,913.13 : 55,330.82 = 18,406.25 : x
  2. Step 2: Convert to fraction form
    36,913.13/55,330.82 = 18,406.25/x
  3. Step 3: Cross multiply
    36,913.13x = 55,330.82 × 18,406.25
  4. Step 4: Simplify right side
    36,913.13x = 1,018,432,813.59
  5. Step 5: Solve for x
    x = 1,018,432,813.59/36,913.13
  6. Step 6: Final answer
    x = 27,589.99

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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.