Home / 35,169-52,747.72-12,992.80

Finding the Fourth Proportional to 35,169, 52,747.72 and 12,992.80

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Solution

The fourth proportional to 35,169, 52,747.72 and 12,992.80 is: 19,487.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,169 : 52,747.72 = 12,992.80 : x
  2. Step 2: Convert to fraction form
    35,169/52,747.72 = 12,992.80/x
  3. Step 3: Cross multiply
    35,169x = 52,747.72 × 12,992.80
  4. Step 4: Simplify right side
    35,169x = 685,340,576.42
  5. Step 5: Solve for x
    x = 685,340,576.42/35,169
  6. Step 6: Final answer
    x = 19,487.06

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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.