Home / 20,092.52-30,140.81-5,302.46

Finding the Fourth Proportional to 20,092.52, 30,140.81 and 5,302.46

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Solution

The fourth proportional to 20,092.52, 30,140.81 and 5,302.46 is: 7,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092.52 : 30,140.81 = 5,302.46 : x
  2. Step 2: Convert to fraction form
    20,092.52/30,140.81 = 5,302.46/x
  3. Step 3: Cross multiply
    20,092.52x = 30,140.81 × 5,302.46
  4. Step 4: Simplify right side
    20,092.52x = 159,820,412.88
  5. Step 5: Solve for x
    x = 159,820,412.88/20,092.52
  6. Step 6: Final answer
    x = 7,954.22

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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.