Home / 35,259.51-52,834.59-20,431.65

Finding the Fourth Proportional to 35,259.51, 52,834.59 and 20,431.65

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Solution

The fourth proportional to 35,259.51, 52,834.59 and 20,431.65 is: 30,615.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,259.51 : 52,834.59 = 20,431.65 : x
  2. Step 2: Convert to fraction form
    35,259.51/52,834.59 = 20,431.65/x
  3. Step 3: Cross multiply
    35,259.51x = 52,834.59 × 20,431.65
  4. Step 4: Simplify right side
    35,259.51x = 1,079,497,850.77
  5. Step 5: Solve for x
    x = 1,079,497,850.77/35,259.51
  6. Step 6: Final answer
    x = 30,615.79

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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.