Home / 34,595.20-51,887.08-12,405.20

Finding the Fourth Proportional to 34,595.20, 51,887.08 and 12,405.20

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Solution

The fourth proportional to 34,595.20, 51,887.08 and 12,405.20 is: 18,605.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,595.20 : 51,887.08 = 12,405.20 : x
  2. Step 2: Convert to fraction form
    34,595.20/51,887.08 = 12,405.20/x
  3. Step 3: Cross multiply
    34,595.20x = 51,887.08 × 12,405.20
  4. Step 4: Simplify right side
    34,595.20x = 643,669,604.82
  5. Step 5: Solve for x
    x = 643,669,604.82/34,595.20
  6. Step 6: Final answer
    x = 18,605.75

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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.