Home / 45,929.95-68,895.29-12,651.85

Finding the Fourth Proportional to 45,929.95, 68,895.29 and 12,651.85

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Solution

The fourth proportional to 45,929.95, 68,895.29 and 12,651.85 is: 18,977.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,929.95 : 68,895.29 = 12,651.85 : x
  2. Step 2: Convert to fraction form
    45,929.95/68,895.29 = 12,651.85/x
  3. Step 3: Cross multiply
    45,929.95x = 68,895.29 × 12,651.85
  4. Step 4: Simplify right side
    45,929.95x = 871,652,874.79
  5. Step 5: Solve for x
    x = 871,652,874.79/45,929.95
  6. Step 6: Final answer
    x = 18,977.88

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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.