Home / 35,139.09-52,725.96-16,420.42

Finding the Fourth Proportional to 35,139.09, 52,725.96 and 16,420.42

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Solution

The fourth proportional to 35,139.09, 52,725.96 and 16,420.42 is: 24,638.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,139.09 : 52,725.96 = 16,420.42 : x
  2. Step 2: Convert to fraction form
    35,139.09/52,725.96 = 16,420.42/x
  3. Step 3: Cross multiply
    35,139.09x = 52,725.96 × 16,420.42
  4. Step 4: Simplify right side
    35,139.09x = 865,782,326.00
  5. Step 5: Solve for x
    x = 865,782,326.00/35,139.09
  6. Step 6: Final answer
    x = 24,638.72

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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.