Home / 35,160.50-52,753.71-18,519.86

Finding the Fourth Proportional to 35,160.50, 52,753.71 and 18,519.86

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Solution

The fourth proportional to 35,160.50, 52,753.71 and 18,519.86 is: 27,786.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,160.50 : 52,753.71 = 18,519.86 : x
  2. Step 2: Convert to fraction form
    35,160.50/52,753.71 = 18,519.86/x
  3. Step 3: Cross multiply
    35,160.50x = 52,753.71 × 18,519.86
  4. Step 4: Simplify right side
    35,160.50x = 976,991,323.68
  5. Step 5: Solve for x
    x = 976,991,323.68/35,160.50
  6. Step 6: Final answer
    x = 27,786.62

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1.5x scale

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.