Home / 40,737.38-61,103.32-11,155.48

Finding the Fourth Proportional to 40,737.38, 61,103.32 and 11,155.48

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Solution

The fourth proportional to 40,737.38, 61,103.32 and 11,155.48 is: 16,732.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,737.38 : 61,103.32 = 11,155.48 : x
  2. Step 2: Convert to fraction form
    40,737.38/61,103.32 = 11,155.48/x
  3. Step 3: Cross multiply
    40,737.38x = 61,103.32 × 11,155.48
  4. Step 4: Simplify right side
    40,737.38x = 681,636,683.55
  5. Step 5: Solve for x
    x = 681,636,683.55/40,737.38
  6. Step 6: Final answer
    x = 16,732.46

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1.5x scale

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.