Home / 45,521.37-68,162.40-36,589.30

Finding the Fourth Proportional to 45,521.37, 68,162.40 and 36,589.30

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Solution

The fourth proportional to 45,521.37, 68,162.40 and 36,589.30 is: 54,787.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,521.37 : 68,162.40 = 36,589.30 : x
  2. Step 2: Convert to fraction form
    45,521.37/68,162.40 = 36,589.30/x
  3. Step 3: Cross multiply
    45,521.37x = 68,162.40 × 36,589.30
  4. Step 4: Simplify right side
    45,521.37x = 2,494,014,331.91
  5. Step 5: Solve for x
    x = 2,494,014,331.91/45,521.37
  6. Step 6: Final answer
    x = 54,787.77

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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.