Home / 51,816.62-77,724.93-18,534.68

Finding the Fourth Proportional to 51,816.62, 77,724.93 and 18,534.68

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Solution

The fourth proportional to 51,816.62, 77,724.93 and 18,534.68 is: 27,802.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,816.62 : 77,724.93 = 18,534.68 : x
  2. Step 2: Convert to fraction form
    51,816.62/77,724.93 = 18,534.68/x
  3. Step 3: Cross multiply
    51,816.62x = 77,724.93 × 18,534.68
  4. Step 4: Simplify right side
    51,816.62x = 1,440,606,705.57
  5. Step 5: Solve for x
    x = 1,440,606,705.57/51,816.62
  6. Step 6: Final answer
    x = 27,802.02

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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.