Home / 41,218.77-61,830.74-11,638.89

Finding the Fourth Proportional to 41,218.77, 61,830.74 and 11,638.89

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Solution

The fourth proportional to 41,218.77, 61,830.74 and 11,638.89 is: 17,459.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,218.77 : 61,830.74 = 11,638.89 : x
  2. Step 2: Convert to fraction form
    41,218.77/61,830.74 = 11,638.89/x
  3. Step 3: Cross multiply
    41,218.77x = 61,830.74 × 11,638.89
  4. Step 4: Simplify right side
    41,218.77x = 719,640,814.13
  5. Step 5: Solve for x
    x = 719,640,814.13/41,218.77
  6. Step 6: Final answer
    x = 17,459.06

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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.