Home / 48,555.79-66,996.83-28,408.79

Finding the Fourth Proportional to 48,555.79, 66,996.83 and 28,408.79

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Solution

The fourth proportional to 48,555.79, 66,996.83 and 28,408.79 is: 39,198.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,555.79 : 66,996.83 = 28,408.79 : x
  2. Step 2: Convert to fraction form
    48,555.79/66,996.83 = 28,408.79/x
  3. Step 3: Cross multiply
    48,555.79x = 66,996.83 × 28,408.79
  4. Step 4: Simplify right side
    48,555.79x = 1,903,299,112.65
  5. Step 5: Solve for x
    x = 1,903,299,112.65/48,555.79
  6. Step 6: Final answer
    x = 39,198.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.