Home / 51,411.84-77,086.62-33,621.02

Finding the Fourth Proportional to 51,411.84, 77,086.62 and 33,621.02

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Solution

The fourth proportional to 51,411.84, 77,086.62 and 33,621.02 is: 50,411.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,411.84 : 77,086.62 = 33,621.02 : x
  2. Step 2: Convert to fraction form
    51,411.84/77,086.62 = 33,621.02/x
  3. Step 3: Cross multiply
    51,411.84x = 77,086.62 × 33,621.02
  4. Step 4: Simplify right side
    51,411.84x = 2,591,731,271.85
  5. Step 5: Solve for x
    x = 2,591,731,271.85/51,411.84
  6. Step 6: Final answer
    x = 50,411.17

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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.