Home / 51,382.05-77,026.36-19,771.95

Finding the Fourth Proportional to 51,382.05, 77,026.36 and 19,771.95

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Solution

The fourth proportional to 51,382.05, 77,026.36 and 19,771.95 is: 29,639.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,382.05 : 77,026.36 = 19,771.95 : x
  2. Step 2: Convert to fraction form
    51,382.05/77,026.36 = 19,771.95/x
  3. Step 3: Cross multiply
    51,382.05x = 77,026.36 × 19,771.95
  4. Step 4: Simplify right side
    51,382.05x = 1,522,961,338.60
  5. Step 5: Solve for x
    x = 1,522,961,338.60/51,382.05
  6. Step 6: Final answer
    x = 29,639.95

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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.