Home / 34,986.92-52,487.87-12,800.21

Finding the Fourth Proportional to 34,986.92, 52,487.87 and 12,800.21

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Solution

The fourth proportional to 34,986.92, 52,487.87 and 12,800.21 is: 19,203.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,986.92 : 52,487.87 = 12,800.21 : x
  2. Step 2: Convert to fraction form
    34,986.92/52,487.87 = 12,800.21/x
  3. Step 3: Cross multiply
    34,986.92x = 52,487.87 × 12,800.21
  4. Step 4: Simplify right side
    34,986.92x = 671,855,758.45
  5. Step 5: Solve for x
    x = 671,855,758.45/34,986.92
  6. Step 6: Final answer
    x = 19,203.06

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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.