Home / 45,930.95-68,896.79-12,652.85

Finding the Fourth Proportional to 45,930.95, 68,896.79 and 12,652.85

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Solution

The fourth proportional to 45,930.95, 68,896.79 and 12,652.85 is: 18,979.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,930.95 : 68,896.79 = 12,652.85 : x
  2. Step 2: Convert to fraction form
    45,930.95/68,896.79 = 12,652.85/x
  3. Step 3: Cross multiply
    45,930.95x = 68,896.79 × 12,652.85
  4. Step 4: Simplify right side
    45,930.95x = 871,740,749.35
  5. Step 5: Solve for x
    x = 871,740,749.35/45,930.95
  6. Step 6: Final answer
    x = 18,979.38

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1.5x scale

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.