Home / 43,136.87-64,716.05-34,285.60

Finding the Fourth Proportional to 43,136.87, 64,716.05 and 34,285.60

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Solution

The fourth proportional to 43,136.87, 64,716.05 and 34,285.60 is: 51,436.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,136.87 : 64,716.05 = 34,285.60 : x
  2. Step 2: Convert to fraction form
    43,136.87/64,716.05 = 34,285.60/x
  3. Step 3: Cross multiply
    43,136.87x = 64,716.05 × 34,285.60
  4. Step 4: Simplify right side
    43,136.87x = 2,218,828,108.87
  5. Step 5: Solve for x
    x = 2,218,828,108.87/43,136.87
  6. Step 6: Final answer
    x = 51,436.93

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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.