Home / 41,128.16-61,536.70-38,639.84

Finding the Fourth Proportional to 41,128.16, 61,536.70 and 38,639.84

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Solution

The fourth proportional to 41,128.16, 61,536.70 and 38,639.84 is: 57,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,128.16 : 61,536.70 = 38,639.84 : x
  2. Step 2: Convert to fraction form
    41,128.16/61,536.70 = 38,639.84/x
  3. Step 3: Cross multiply
    41,128.16x = 61,536.70 × 38,639.84
  4. Step 4: Simplify right side
    41,128.16x = 2,377,768,242.13
  5. Step 5: Solve for x
    x = 2,377,768,242.13/41,128.16
  6. Step 6: Final answer
    x = 57,813.63

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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.