Home / 53,141.36-79,684.35-19,834.03

Finding the Fourth Proportional to 53,141.36, 79,684.35 and 19,834.03

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Solution

The fourth proportional to 53,141.36, 79,684.35 and 19,834.03 is: 29,740.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,141.36 : 79,684.35 = 19,834.03 : x
  2. Step 2: Convert to fraction form
    53,141.36/79,684.35 = 19,834.03/x
  3. Step 3: Cross multiply
    53,141.36x = 79,684.35 × 19,834.03
  4. Step 4: Simplify right side
    53,141.36x = 1,580,461,729.00
  5. Step 5: Solve for x
    x = 1,580,461,729.00/53,141.36
  6. Step 6: Final answer
    x = 29,740.71

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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.