Home / 45,932.85-68,899.59-12,654.72

Finding the Fourth Proportional to 45,932.85, 68,899.59 and 12,654.72

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Solution

The fourth proportional to 45,932.85, 68,899.59 and 12,654.72 is: 18,982.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,932.85 : 68,899.59 = 12,654.72 : x
  2. Step 2: Convert to fraction form
    45,932.85/68,899.59 = 12,654.72/x
  3. Step 3: Cross multiply
    45,932.85x = 68,899.59 × 12,654.72
  4. Step 4: Simplify right side
    45,932.85x = 871,905,019.56
  5. Step 5: Solve for x
    x = 871,905,019.56/45,932.85
  6. Step 6: Final answer
    x = 18,982.17

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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.