Home / 40,858.04-61,290.59-11,275.88

Finding the Fourth Proportional to 40,858.04, 61,290.59 and 11,275.88

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Solution

The fourth proportional to 40,858.04, 61,290.59 and 11,275.88 is: 16,914.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,858.04 : 61,290.59 = 11,275.88 : x
  2. Step 2: Convert to fraction form
    40,858.04/61,290.59 = 11,275.88/x
  3. Step 3: Cross multiply
    40,858.04x = 61,290.59 × 11,275.88
  4. Step 4: Simplify right side
    40,858.04x = 691,105,337.97
  5. Step 5: Solve for x
    x = 691,105,337.97/40,858.04
  6. Step 6: Final answer
    x = 16,914.79

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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.