Home / 56,972.44-85,462.30-21,912.10

Finding the Fourth Proportional to 56,972.44, 85,462.30 and 21,912.10

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Solution

The fourth proportional to 56,972.44, 85,462.30 and 21,912.10 is: 32,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,972.44 : 85,462.30 = 21,912.10 : x
  2. Step 2: Convert to fraction form
    56,972.44/85,462.30 = 21,912.10/x
  3. Step 3: Cross multiply
    56,972.44x = 85,462.30 × 21,912.10
  4. Step 4: Simplify right side
    56,972.44x = 1,872,658,463.83
  5. Step 5: Solve for x
    x = 1,872,658,463.83/56,972.44
  6. Step 6: Final answer
    x = 32,869.55

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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.