Home / 51,136.48-70,561.83-28,471.06

Finding the Fourth Proportional to 51,136.48, 70,561.83 and 28,471.06

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Solution

The fourth proportional to 51,136.48, 70,561.83 and 28,471.06 is: 39,286.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,136.48 : 70,561.83 = 28,471.06 : x
  2. Step 2: Convert to fraction form
    51,136.48/70,561.83 = 28,471.06/x
  3. Step 3: Cross multiply
    51,136.48x = 70,561.83 × 28,471.06
  4. Step 4: Simplify right side
    51,136.48x = 2,008,970,095.64
  5. Step 5: Solve for x
    x = 2,008,970,095.64/51,136.48
  6. Step 6: Final answer
    x = 39,286.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.