Home / 37,880.40-52,272.84-20,884.62

Finding the Fourth Proportional to 37,880.40, 52,272.84 and 20,884.62

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Solution

The fourth proportional to 37,880.40, 52,272.84 and 20,884.62 is: 28,819.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,880.40 : 52,272.84 = 20,884.62 : x
  2. Step 2: Convert to fraction form
    37,880.40/52,272.84 = 20,884.62/x
  3. Step 3: Cross multiply
    37,880.40x = 52,272.84 × 20,884.62
  4. Step 4: Simplify right side
    37,880.40x = 1,091,698,399.72
  5. Step 5: Solve for x
    x = 1,091,698,399.72/37,880.40
  6. Step 6: Final answer
    x = 28,819.61

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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.