Home / 51,070.34-76,640.75-17,790.68

Finding the Fourth Proportional to 51,070.34, 76,640.75 and 17,790.68

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Solution

The fourth proportional to 51,070.34, 76,640.75 and 17,790.68 is: 26,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,070.34 : 76,640.75 = 17,790.68 : x
  2. Step 2: Convert to fraction form
    51,070.34/76,640.75 = 17,790.68/x
  3. Step 3: Cross multiply
    51,070.34x = 76,640.75 × 17,790.68
  4. Step 4: Simplify right side
    51,070.34x = 1,363,491,227.57
  5. Step 5: Solve for x
    x = 1,363,491,227.57/51,070.34
  6. Step 6: Final answer
    x = 26,698.30

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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.