Home / 45,932.84-68,899.62-12,654.72

Finding the Fourth Proportional to 45,932.84, 68,899.62 and 12,654.72

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Solution

The fourth proportional to 45,932.84, 68,899.62 and 12,654.72 is: 18,982.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,932.84 : 68,899.62 = 12,654.72 : x
  2. Step 2: Convert to fraction form
    45,932.84/68,899.62 = 12,654.72/x
  3. Step 3: Cross multiply
    45,932.84x = 68,899.62 × 12,654.72
  4. Step 4: Simplify right side
    45,932.84x = 871,905,399.21
  5. Step 5: Solve for x
    x = 871,905,399.21/45,932.84
  6. Step 6: Final answer
    x = 18,982.18

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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.