Home / 45,717.96-68,520.40-26,979

Finding the Fourth Proportional to 45,717.96, 68,520.40 and 26,979

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Solution

The fourth proportional to 45,717.96, 68,520.40 and 26,979 is: 40,435.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,717.96 : 68,520.40 = 26,979 : x
  2. Step 2: Convert to fraction form
    45,717.96/68,520.40 = 26,979/x
  3. Step 3: Cross multiply
    45,717.96x = 68,520.40 × 26,979
  4. Step 4: Simplify right side
    45,717.96x = 1,848,611,871.60
  5. Step 5: Solve for x
    x = 1,848,611,871.60/45,717.96
  6. Step 6: Final answer
    x = 40,435.13

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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.