Home / 51,830.46-77,696.43-20,260.77

Finding the Fourth Proportional to 51,830.46, 77,696.43 and 20,260.77

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Solution

The fourth proportional to 51,830.46, 77,696.43 and 20,260.77 is: 30,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,830.46 : 77,696.43 = 20,260.77 : x
  2. Step 2: Convert to fraction form
    51,830.46/77,696.43 = 20,260.77/x
  3. Step 3: Cross multiply
    51,830.46x = 77,696.43 × 20,260.77
  4. Step 4: Simplify right side
    51,830.46x = 1,574,189,498.05
  5. Step 5: Solve for x
    x = 1,574,189,498.05/51,830.46
  6. Step 6: Final answer
    x = 30,371.90

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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.