Home / 41,222.64-61,838.72-13,132.80

Finding the Fourth Proportional to 41,222.64, 61,838.72 and 13,132.80

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Solution

The fourth proportional to 41,222.64, 61,838.72 and 13,132.80 is: 19,700.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,222.64 : 61,838.72 = 13,132.80 : x
  2. Step 2: Convert to fraction form
    41,222.64/61,838.72 = 13,132.80/x
  3. Step 3: Cross multiply
    41,222.64x = 61,838.72 × 13,132.80
  4. Step 4: Simplify right side
    41,222.64x = 812,115,542.02
  5. Step 5: Solve for x
    x = 812,115,542.02/41,222.64
  6. Step 6: Final answer
    x = 19,700.72

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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.