Home / 31,737.87-47,613.48-12,015.99

Finding the Fourth Proportional to 31,737.87, 47,613.48 and 12,015.99

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Solution

The fourth proportional to 31,737.87, 47,613.48 and 12,015.99 is: 18,026.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,737.87 : 47,613.48 = 12,015.99 : x
  2. Step 2: Convert to fraction form
    31,737.87/47,613.48 = 12,015.99/x
  3. Step 3: Cross multiply
    31,737.87x = 47,613.48 × 12,015.99
  4. Step 4: Simplify right side
    31,737.87x = 572,123,099.55
  5. Step 5: Solve for x
    x = 572,123,099.55/31,737.87
  6. Step 6: Final answer
    x = 18,026.51

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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.