Home / 57,013.26-85,532.49-19,572.48

Finding the Fourth Proportional to 57,013.26, 85,532.49 and 19,572.48

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Solution

The fourth proportional to 57,013.26, 85,532.49 and 19,572.48 is: 29,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,013.26 : 85,532.49 = 19,572.48 : x
  2. Step 2: Convert to fraction form
    57,013.26/85,532.49 = 19,572.48/x
  3. Step 3: Cross multiply
    57,013.26x = 85,532.49 × 19,572.48
  4. Step 4: Simplify right side
    57,013.26x = 1,674,082,949.88
  5. Step 5: Solve for x
    x = 1,674,082,949.88/57,013.26
  6. Step 6: Final answer
    x = 29,363.05

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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.