Home / 38,996.99-58,505.86-12,343.49

Finding the Fourth Proportional to 38,996.99, 58,505.86 and 12,343.49

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Solution

The fourth proportional to 38,996.99, 58,505.86 and 12,343.49 is: 18,518.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,996.99 : 58,505.86 = 12,343.49 : x
  2. Step 2: Convert to fraction form
    38,996.99/58,505.86 = 12,343.49/x
  3. Step 3: Cross multiply
    38,996.99x = 58,505.86 × 12,343.49
  4. Step 4: Simplify right side
    38,996.99x = 722,166,497.85
  5. Step 5: Solve for x
    x = 722,166,497.85/38,996.99
  6. Step 6: Final answer
    x = 18,518.52

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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.