Home / 35,561.72-53,284.14-12,175.40

Finding the Fourth Proportional to 35,561.72, 53,284.14 and 12,175.40

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Solution

The fourth proportional to 35,561.72, 53,284.14 and 12,175.40 is: 18,243.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,561.72 : 53,284.14 = 12,175.40 : x
  2. Step 2: Convert to fraction form
    35,561.72/53,284.14 = 12,175.40/x
  3. Step 3: Cross multiply
    35,561.72x = 53,284.14 × 12,175.40
  4. Step 4: Simplify right side
    35,561.72x = 648,755,718.16
  5. Step 5: Solve for x
    x = 648,755,718.16/35,561.72
  6. Step 6: Final answer
    x = 18,243.09

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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.