Home / 34,853.80-48,099.54-20,708.68

Finding the Fourth Proportional to 34,853.80, 48,099.54 and 20,708.68

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Solution

The fourth proportional to 34,853.80, 48,099.54 and 20,708.68 is: 28,578.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,853.80 : 48,099.54 = 20,708.68 : x
  2. Step 2: Convert to fraction form
    34,853.80/48,099.54 = 20,708.68/x
  3. Step 3: Cross multiply
    34,853.80x = 48,099.54 × 20,708.68
  4. Step 4: Simplify right side
    34,853.80x = 996,077,982.01
  5. Step 5: Solve for x
    x = 996,077,982.01/34,853.80
  6. Step 6: Final answer
    x = 28,578.75

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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.