Home / 48,605.62-72,918.61-20,525.76

Finding the Fourth Proportional to 48,605.62, 72,918.61 and 20,525.76

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Solution

The fourth proportional to 48,605.62, 72,918.61 and 20,525.76 is: 30,792.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,605.62 : 72,918.61 = 20,525.76 : x
  2. Step 2: Convert to fraction form
    48,605.62/72,918.61 = 20,525.76/x
  3. Step 3: Cross multiply
    48,605.62x = 72,918.61 × 20,525.76
  4. Step 4: Simplify right side
    48,605.62x = 1,496,709,888.39
  5. Step 5: Solve for x
    x = 1,496,709,888.39/48,605.62
  6. Step 6: Final answer
    x = 30,792.94

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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.