Home / 37,172.70-55,740.60-13,479.30

Finding the Fourth Proportional to 37,172.70, 55,740.60 and 13,479.30

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Solution

The fourth proportional to 37,172.70, 55,740.60 and 13,479.30 is: 20,212.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,172.70 : 55,740.60 = 13,479.30 : x
  2. Step 2: Convert to fraction form
    37,172.70/55,740.60 = 13,479.30/x
  3. Step 3: Cross multiply
    37,172.70x = 55,740.60 × 13,479.30
  4. Step 4: Simplify right side
    37,172.70x = 751,344,269.58
  5. Step 5: Solve for x
    x = 751,344,269.58/37,172.70
  6. Step 6: Final answer
    x = 20,212.26

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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.