Home / 38,273.36-52,816.20-21,506

Finding the Fourth Proportional to 38,273.36, 52,816.20 and 21,506

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Solution

The fourth proportional to 38,273.36, 52,816.20 and 21,506 is: 29,677.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,273.36 : 52,816.20 = 21,506 : x
  2. Step 2: Convert to fraction form
    38,273.36/52,816.20 = 21,506/x
  3. Step 3: Cross multiply
    38,273.36x = 52,816.20 × 21,506
  4. Step 4: Simplify right side
    38,273.36x = 1,135,865,197.20
  5. Step 5: Solve for x
    x = 1,135,865,197.20/38,273.36
  6. Step 6: Final answer
    x = 29,677.70

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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.