Home / 48,535.70-72,774.82-18,918.96

Finding the Fourth Proportional to 48,535.70, 72,774.82 and 18,918.96

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Solution

The fourth proportional to 48,535.70, 72,774.82 and 18,918.96 is: 28,367.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,535.70 : 72,774.82 = 18,918.96 : x
  2. Step 2: Convert to fraction form
    48,535.70/72,774.82 = 18,918.96/x
  3. Step 3: Cross multiply
    48,535.70x = 72,774.82 × 18,918.96
  4. Step 4: Simplify right side
    48,535.70x = 1,376,823,908.59
  5. Step 5: Solve for x
    x = 1,376,823,908.59/48,535.70
  6. Step 6: Final answer
    x = 28,367.24

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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.