Home / 31,929.75-47,916.63-11,153.25

Finding the Fourth Proportional to 31,929.75, 47,916.63 and 11,153.25

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Solution

The fourth proportional to 31,929.75, 47,916.63 and 11,153.25 is: 16,737.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,929.75 : 47,916.63 = 11,153.25 : x
  2. Step 2: Convert to fraction form
    31,929.75/47,916.63 = 11,153.25/x
  3. Step 3: Cross multiply
    31,929.75x = 47,916.63 × 11,153.25
  4. Step 4: Simplify right side
    31,929.75x = 534,426,153.55
  5. Step 5: Solve for x
    x = 534,426,153.55/31,929.75
  6. Step 6: Final answer
    x = 16,737.56

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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.