Home / 51,821.48-71,340.72-49,440.98

Finding the Fourth Proportional to 51,821.48, 71,340.72 and 49,440.98

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Solution

The fourth proportional to 51,821.48, 71,340.72 and 49,440.98 is: 68,063.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,821.48 : 71,340.72 = 49,440.98 : x
  2. Step 2: Convert to fraction form
    51,821.48/71,340.72 = 49,440.98/x
  3. Step 3: Cross multiply
    51,821.48x = 71,340.72 × 49,440.98
  4. Step 4: Simplify right side
    51,821.48x = 3,527,155,110.71
  5. Step 5: Solve for x
    x = 3,527,155,110.71/51,821.48
  6. Step 6: Final answer
    x = 68,063.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.