Home / 35,180.64-52,769.16-12,992.40

Finding the Fourth Proportional to 35,180.64, 52,769.16 and 12,992.40

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Solution

The fourth proportional to 35,180.64, 52,769.16 and 12,992.40 is: 19,487.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,180.64 : 52,769.16 = 12,992.40 : x
  2. Step 2: Convert to fraction form
    35,180.64/52,769.16 = 12,992.40/x
  3. Step 3: Cross multiply
    35,180.64x = 52,769.16 × 12,992.40
  4. Step 4: Simplify right side
    35,180.64x = 685,598,034.38
  5. Step 5: Solve for x
    x = 685,598,034.38/35,180.64
  6. Step 6: Final answer
    x = 19,487.94

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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.