Home / 40,884.10-61,326.14-12,806.36

Finding the Fourth Proportional to 40,884.10, 61,326.14 and 12,806.36

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Solution

The fourth proportional to 40,884.10, 61,326.14 and 12,806.36 is: 19,209.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,884.10 : 61,326.14 = 12,806.36 : x
  2. Step 2: Convert to fraction form
    40,884.10/61,326.14 = 12,806.36/x
  3. Step 3: Cross multiply
    40,884.10x = 61,326.14 × 12,806.36
  4. Step 4: Simplify right side
    40,884.10x = 785,364,626.25
  5. Step 5: Solve for x
    x = 785,364,626.25/40,884.10
  6. Step 6: Final answer
    x = 19,209.54

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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.