Home / 51,621.24-77,431.65-34,086.90

Finding the Fourth Proportional to 51,621.24, 77,431.65 and 34,086.90

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Solution

The fourth proportional to 51,621.24, 77,431.65 and 34,086.90 is: 51,130.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,621.24 : 77,431.65 = 34,086.90 : x
  2. Step 2: Convert to fraction form
    51,621.24/77,431.65 = 34,086.90/x
  3. Step 3: Cross multiply
    51,621.24x = 77,431.65 × 34,086.90
  4. Step 4: Simplify right side
    51,621.24x = 2,639,404,910.39
  5. Step 5: Solve for x
    x = 2,639,404,910.39/51,621.24
  6. Step 6: Final answer
    x = 51,130.21

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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.