Home / 34,640.76-51,828.18-19,856.76

Finding the Fourth Proportional to 34,640.76, 51,828.18 and 19,856.76

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Solution

The fourth proportional to 34,640.76, 51,828.18 and 19,856.76 is: 29,708.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,640.76 : 51,828.18 = 19,856.76 : x
  2. Step 2: Convert to fraction form
    34,640.76/51,828.18 = 19,856.76/x
  3. Step 3: Cross multiply
    34,640.76x = 51,828.18 × 19,856.76
  4. Step 4: Simplify right side
    34,640.76x = 1,029,139,731.50
  5. Step 5: Solve for x
    x = 1,029,139,731.50/34,640.76
  6. Step 6: Final answer
    x = 29,708.92

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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.