Home / 56,611.28-84,942.84-21,558.80

Finding the Fourth Proportional to 56,611.28, 84,942.84 and 21,558.80

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Solution

The fourth proportional to 56,611.28, 84,942.84 and 21,558.80 is: 32,348.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,611.28 : 84,942.84 = 21,558.80 : x
  2. Step 2: Convert to fraction form
    56,611.28/84,942.84 = 21,558.80/x
  3. Step 3: Cross multiply
    56,611.28x = 84,942.84 × 21,558.80
  4. Step 4: Simplify right side
    56,611.28x = 1,831,265,698.99
  5. Step 5: Solve for x
    x = 1,831,265,698.99/56,611.28
  6. Step 6: Final answer
    x = 32,348.07

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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.