Home / 31,916.98-47,880.36-11,135.62

Finding the Fourth Proportional to 31,916.98, 47,880.36 and 11,135.62

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Solution

The fourth proportional to 31,916.98, 47,880.36 and 11,135.62 is: 16,705.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,916.98 : 47,880.36 = 11,135.62 : x
  2. Step 2: Convert to fraction form
    31,916.98/47,880.36 = 11,135.62/x
  3. Step 3: Cross multiply
    31,916.98x = 47,880.36 × 11,135.62
  4. Step 4: Simplify right side
    31,916.98x = 533,177,494.42
  5. Step 5: Solve for x
    x = 533,177,494.42/31,916.98
  6. Step 6: Final answer
    x = 16,705.14

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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.