Home / 34,961.00-52,399.85-20,139.21

Finding the Fourth Proportional to 34,961.00, 52,399.85 and 20,139.21

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Solution

The fourth proportional to 34,961.00, 52,399.85 and 20,139.21 is: 30,184.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,961.00 : 52,399.85 = 20,139.21 : x
  2. Step 2: Convert to fraction form
    34,961.00/52,399.85 = 20,139.21/x
  3. Step 3: Cross multiply
    34,961.00x = 52,399.85 × 20,139.21
  4. Step 4: Simplify right side
    34,961.00x = 1,055,291,482.42
  5. Step 5: Solve for x
    x = 1,055,291,482.42/34,961.00
  6. Step 6: Final answer
    x = 30,184.82

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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.