Home / 48,606.49-72,938.43-20,524.72

Finding the Fourth Proportional to 48,606.49, 72,938.43 and 20,524.72

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Solution

The fourth proportional to 48,606.49, 72,938.43 and 20,524.72 is: 30,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,606.49 : 72,938.43 = 20,524.72 : x
  2. Step 2: Convert to fraction form
    48,606.49/72,938.43 = 20,524.72/x
  3. Step 3: Cross multiply
    48,606.49x = 72,938.43 × 20,524.72
  4. Step 4: Simplify right side
    48,606.49x = 1,497,040,852.99
  5. Step 5: Solve for x
    x = 1,497,040,852.99/48,606.49
  6. Step 6: Final answer
    x = 30,799.20

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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.