Home / 51,838.17-71,571.11-39,880.41

Finding the Fourth Proportional to 51,838.17, 71,571.11 and 39,880.41

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Solution

The fourth proportional to 51,838.17, 71,571.11 and 39,880.41 is: 55,061.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,838.17 : 71,571.11 = 39,880.41 : x
  2. Step 2: Convert to fraction form
    51,838.17/71,571.11 = 39,880.41/x
  3. Step 3: Cross multiply
    51,838.17x = 71,571.11 × 39,880.41
  4. Step 4: Simplify right side
    51,838.17x = 2,854,285,011.55
  5. Step 5: Solve for x
    x = 2,854,285,011.55/51,838.17
  6. Step 6: Final answer
    x = 55,061.45

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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.