Home / 52,172.68-71,990.58-29,505.64

Finding the Fourth Proportional to 52,172.68, 71,990.58 and 29,505.64

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Solution

The fourth proportional to 52,172.68, 71,990.58 and 29,505.64 is: 40,713.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,172.68 : 71,990.58 = 29,505.64 : x
  2. Step 2: Convert to fraction form
    52,172.68/71,990.58 = 29,505.64/x
  3. Step 3: Cross multiply
    52,172.68x = 71,990.58 × 29,505.64
  4. Step 4: Simplify right side
    52,172.68x = 2,124,128,136.87
  5. Step 5: Solve for x
    x = 2,124,128,136.87/52,172.68
  6. Step 6: Final answer
    x = 40,713.42

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1.5x scale

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.