Home / 29,311.95-40,448.57-18,700.44

Finding the Fourth Proportional to 29,311.95, 40,448.57 and 18,700.44

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Solution

The fourth proportional to 29,311.95, 40,448.57 and 18,700.44 is: 25,805.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,311.95 : 40,448.57 = 18,700.44 : x
  2. Step 2: Convert to fraction form
    29,311.95/40,448.57 = 18,700.44/x
  3. Step 3: Cross multiply
    29,311.95x = 40,448.57 × 18,700.44
  4. Step 4: Simplify right side
    29,311.95x = 756,405,962.87
  5. Step 5: Solve for x
    x = 756,405,962.87/29,311.95
  6. Step 6: Final answer
    x = 25,805.38

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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.