Home / 57,074.68-85,553.70-19,623.52

Finding the Fourth Proportional to 57,074.68, 85,553.70 and 19,623.52

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Solution

The fourth proportional to 57,074.68, 85,553.70 and 19,623.52 is: 29,415.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,074.68 : 85,553.70 = 19,623.52 : x
  2. Step 2: Convert to fraction form
    57,074.68/85,553.70 = 19,623.52/x
  3. Step 3: Cross multiply
    57,074.68x = 85,553.70 × 19,623.52
  4. Step 4: Simplify right side
    57,074.68x = 1,678,864,743.02
  5. Step 5: Solve for x
    x = 1,678,864,743.02/57,074.68
  6. Step 6: Final answer
    x = 29,415.23

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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.